CBSE Class 3 Mathematics Practice Worksheet Set 04

Question 7. In a school there are 5985 students. On a rainy day 1009 students were absent. How many were present on that day?
Answer: Total number of students = 5985
Number of absent students = 1009
Number of present students = 5985 - 1009 = 4976
In simple words: To find how many students were present, we subtract the number of absent students from the total number of students.
Exam Tip: Always align numbers by their place values (ones, tens, hundreds, thousands) before subtracting.

Question 8. The sum of two numbers is 7854. If one of the numbers is 2435, find the other.
Answer: Sum of two numbers = 7854
First number = 2435
Other number = 7854 - 2435 = 5419
In simple words: When the sum of two numbers and one number are given, subtract the known number from the sum to find the unknown number.
Exam Tip: Verify your answer by adding 5419 and 2435 to check if you get 7854.

GEOMETRY

I Fill in the blanks

Question 1. _______________ shows position.
Answer: A point shows position.
In simple words: A point gives an exact location in space.
Exam Tip: Remember that a point has no length, breadth, or thickness.

Question 2. A point is represented by a _______________.
Answer: A point is represented by a dot.
In simple words: We draw a tiny dot with a sharp pencil to show a point.

Answer: A line segment is the shortest distance between two points.
In simple words: The straight path joining two points directly is a line segment.
Exam Tip: A line segment has fixed endpoints.

Question 4. A line segment has _______________ end points.
Answer: A line segment has two end points.
In simple words: It starts and stops at specific points.
Exam Tip: Because it has endpoints, its length can be measured with a ruler.

Question 5. A _______________ has a definite length.
Answer: A line segment has a definite length.
In simple words: You can measure a line segment because it has a fixed beginning and end.
Exam Tip: Lines and rays do not have a definite length, but line segments do.

Question 6. A line segment extended endlessly in one direction is called a _______________.
Answer: A line segment extended endlessly in one direction is called a ray.
In simple words: A ray has one starting point and goes on forever in the other direction.
Exam Tip: Think of a sunbeam starting at the sun and going on endlessly.

Question 7. A ray has _______________ end points.
Answer: A ray has one end point.
In simple words: It has a starting point (endpoint) and one arrow pointing onwards forever.

Answer: A line has no end points.
In simple words: A straight path that goes on endlessly in both directions has zero endpoints.
Exam Tip: Lines are represented with arrows on both ends.

Question 9. A line segment extended endlessly in both directions is called a _____________.
Answer: A line segment extended endlessly in both directions is called a line.
In simple words: Extending a line segment on both sides without stopping gives a line.
Exam Tip: A line cannot be measured because it is infinite.

Question 10. A triangle is bounded by _______________ line segments.
Answer: A triangle is bounded by three line segments.
In simple words: Three straight sides enclose a triangle.

Answer: A triangle has three sides and three vertices.
In simple words: A triangle has 3 straight edges and 3 corner points.
Exam Tip: A vertex is a corner where two sides meet.

Question 12. A square has _______________ sides and _______________ vertices.
Answer: A square has four sides and four vertices.
In simple words: A square is a 4-sided closed figure with 4 corners.
Exam Tip: All four sides of a square are equal in length.

Question 13. All sides of a square are _______________.
Answer: All sides of a square are equal.
In simple words: Every side of a square has the exact same measurement.

Answer: A rectangle has four sides and four vertices.
In simple words: Like a square, a rectangle has 4 straight sides and 4 corners.
Exam Tip: Opposite sides of a rectangle are equal.

Question 15. The _______________ sides of a rectangle are equal.
Answer: The opposite sides of a rectangle are equal.
In simple words: The top equals the bottom, and the left equals the right side.
Exam Tip: Adjacent sides are not necessarily equal in a rectangle.

Question 16. A circle has _______________ sides.
Answer: A circle has zero sides.
In simple words: A circle is a curved shape with no straight sides or corners.
Exam Tip: A circle is bounded by a continuous curved line.

Question 17. A cube has ________ faces, __________ vertices and _________ edges.
Answer: A cube has 6 faces, 8 vertices and 12 edges.
In simple words: A solid 3D box like a dice has 6 flat square faces, 8 corners, and 12 straight edges.
Exam Tip: All faces of a cube are identical squares.

Question 18. A sugar cube has _______________ faces.
Answer: A sugar cube has 6 faces.
In simple words: Since a sugar cube is shaped like a cube, it has 6 square faces.
Exam Tip: Top, bottom, front, back, left, and right make 6 faces.

Question 19. A cuboid has ________faces, _______ vertices and _________edges.
Answer: A cuboid has 6 faces, 8 vertices and 12 edges.
In simple words: A brick-shaped solid has 6 rectangular faces, 8 corners, and 12 edges.
Exam Tip: Opposite faces of a cuboid are equal in size and shape.

Question 20. A cone has ________edges ________vertex and __________faces.S
Answer: A cone has 1 edge, 1 vertex and 2 faces.
In simple words: Like a birthday cap, a cone has one circular flat face, one curved face, one pointy top vertex, and one circular edge.
Exam Tip: The top pointy tip is counted as 1 vertex.

Question 21. A cylinder has __________faces and _______________ edges.
Answer: A cylinder has 3 faces and 2 edges.
In simple words: Like a soda can, a cylinder has 2 flat circular faces (top and bottom), 1 curved side face, and 2 circular edges.
Exam Tip: A cylinder has zero vertices (corners).

Question 22. A sphere has _____________ face and ____________vertex.
Answer: A sphere has 1 face and 0 vertex.
In simple words: A round ball has one continuous curved face and no corners or flat parts.
Exam Tip: Spheres roll in any direction because they have no flat faces or vertices.

Question 23. All faces of a cube are _____________.
Answer: All faces of a cube are equal squares.
In simple words: Every single side of a cube has the exact same square shape and size.

Answer: Pepsi can has a cylindrical shape.
In simple words: A soft drink can is shaped like a cylinder.
Exam Tip: Everyday objects like pipes and cans are cylindrical.

II Draw

Question 1. A line Segment AB = 8 cm
Answer: Draw a straight line starting at point A and ending at point B using a ruler, measuring exactly 8 cm.
In simple words: Place your ruler on paper, mark point A at 0 cm and point B at 8 cm, then join them.

Exam Tip: Always label the endpoints and write the length clearly above or below the line segment.

Question 2. A line Segment PQ = 7 cm
Answer: Draw a straight line starting at point P and ending at point Q with a length of 7 cm.
In simple words: Use a ruler to draw a 7 cm long segment and label the ends P and Q.

Exam Tip: Ensure your pencil is sharp for precise measurement.

Question 3. A line Segment LM = 9 cm
Answer: Draw a straight line segment measuring 9 cm from point L to point M.
In simple words: Measure 9 cm on your ruler and connect points L and M.

Exam Tip: Start measuring exactly from the 0 mark on your scale.

Question 4. Draw a line segment XY = 6 cm
Answer: Draw a straight line segment measuring 6 cm with endpoints X and Y.
In simple words: Draw a 6 cm line using a ruler and name the ends X and Y.

Exam Tip: Double check your ruler markings before finishing the drawing.

III 1) Write 3 properties of a triangle
Answer: 1. A triangle has 3 sides.
2. A triangle has 3 vertices.
3. A triangle has 3 angles.
In simple words: A triangle is made of three straight sides, three corners, and three interior angles.

Exam Tip: The sum of all three angles in any triangle is always \(180^\circ\).

III 2) Write 3 properties of a square
Answer: 1. A square has 4 equal sides.
2. A square has 4 vertices and 4 right angles (\(90^\circ\)).
3. The two diagonals of a square are equal in length.
In simple words: All sides are equal, all corners are square corners, and opposite corners connect with equal diagonal lines.

Exam Tip: Remember that a square is a special type of rectangle where all four sides are equal.

III 3) Write 3 properties of a rectangle
Answer: 1. A rectangle has 4 sides where opposite sides are equal.
2. A rectangle has 4 vertices and 4 right angles (\(90^\circ\)).
3. The two diagonals of a rectangle are equal in length.
In simple words: Opposite sides match in length, all four corners are square corners, and corner-to-corner distances are equal.

Exam Tip: Length and breadth are the two key dimensions used to define a rectangle.

III 4) Write 2 properties of a circle
Answer: 1. A circle has a closed curved boundary with no straight sides and no vertices.
2. Every point on the boundary of a circle is at an equal distance from its center.
In simple words: A circle is perfectly round, has no corners, and all points on its edge are equally far from the center point.

Exam Tip: The distance from the center to any point on the boundary is called the radius (\(r\)).

I. Fill in the blanks :

Question 1. Multiplication is repeated _______________
Answer: Multiplication is repeated addition.
In simple words: Adding the same number repeatedly is the same as multiplying.
Exam Tip: For example, \(3 \times 4\) means adding 4 three times (\(4 + 4 + 4 = 12\)).

Question 2. The number to be multiplies is called the _______________
Answer: The number to be multiplied is called the multiplicand.
In simple words: The number that gets multiplied is the multiplicand.
Exam Tip: Identify the multiplicand as the first number in basic multiplication statements.

Question 3. The number by which we multiply is called the _______________
Answer: The number by which we multiply is called the multiplier.
In simple words: The multiplier tells how many times the multiplicand is repeated.

Answer: The answer of multiplication is called the product.
In simple words: The final result when you multiply two numbers is the product.
Exam Tip: Product is another word for the multiplication answer.

Question 5. In 6 x 3 = 18 the multipilicand is ________ the multiplier is ________ and the product is _______________
Answer: In \(6 \times 3 = 18\) the multiplicand is 6, the multiplier is 3, and the product is 18.
In simple words: 6 is being multiplied, 3 is the multiplier, and 18 is the final answer.
Exam Tip: Always label parts of a multiplication equation correctly.

Question 6. 138 x 0 =
Answer: 0
In simple words: Any number multiplied by zero always gives zero.
Exam Tip: Zero property of multiplication: \(a \times 0 = 0\).

Question 7. 625 x 1 =
Answer: 625
In simple words: Any number multiplied by 1 remains the same number.
Exam Tip: Multiplicative identity property: \(a \times 1 = a\).

Question 8. 60 x 80 = 80 x __________
Answer: 60
In simple words: Changing the order of numbers in multiplication does not change the answer.
Exam Tip: This is the commutative property of multiplication (\(a \times b = b \times a\)).

Question 9. 45 x 20 x 70 = 20 x 70 x __________
Answer: 45
In simple words: The missing factor on the right side is 45 to keep both sides equal.
Exam Tip: Order does not matter in multiplication chains.

Question 10. 8 x 10 = ___________
Answer: 80
In simple words: Multiply 8 by 1 and attach one zero to get 80.
Exam Tip: When multiplying by 10, simply append one zero to the number.

Question 11. 15 x 100 = ____________
Answer: 1500
In simple words: Attach two zeros to 15 when multiplying by 100.
Exam Tip: When multiplying by 100, append two zeros.

Question 12. 41 x 1000 = ___________
Answer: 41000
In simple words: Attach three zeros to 41 when multiplying by 1000.
Exam Tip: Multiplying by 1000 shifts digits three places to the left.

Question 13. 6 x 100 = ___________
Answer: 600
In simple words: 6 multiplied by 100 equals 600.
Exam Tip: Count the zeros in the multiplier and put them after the number.

Question 14. 35 x 10 = ___________
Answer: 350
In simple words: Put one zero after 35.
Exam Tip: Fast mental math trick for powers of 10.

Question 15. 85 x 1000 = ____________
Answer: 85000
In simple words: 85 followed by three zeros is 85000.
Exam Tip: Ensure the comma placement matches standard numbering systems.

Question 16. 30 x 1000 = ___________
Answer: 30000
In simple words: 30 with three extra zeros makes 30000.
Exam Tip: Total zeros will be the zero in 30 plus three zeros from 1000 (four zeros total).

Question 17. 49 x 100 = _____________
Answer: 4900
In simple words: 49 times 100 is 4900.
Exam Tip: Quick zero-attachment method.

Question 18. 70 x 10 = ____________
Answer: 700
In simple words: 70 with one more zero is 700.
Exam Tip: \(7 \times 1 = 7\) with two zeros total.

Question 19. 20 x 100 = ____________
Answer: 2000
In simple words: 20 followed by two zeros is 2000.
Exam Tip: Total of three zeros.

Question 20. 14 x 1000 = ____________
Answer: 14000
In simple words: 14 followed by three zeros gives 14000.
Exam Tip: Double check your place values.

II Multiply

Question 1.
1845
\(\times\) 3
Answer:
\(5 \times 3 = 15\) (write 5, carry 1)
\(4 \times 3 = 12 + 1 = 13\) (write 3, carry 1)
\(8 \times 3 = 24 + 1 = 25\) (write 5, carry 2)
\(1 \times 3 = 3 + 2 = 5\) (write 5)
Product = 5535
In simple words: Multiply each digit of 1845 by 3 from right to left, carrying over extra values.
Exam Tip: Always add carried-over digits after performing multiplication for each column.

Question 2.
5871
\(\times\) 8
Answer:
\(1 \times 8 = 8\)
\(7 \times 8 = 56\) (write 6, carry 5)
\(8 \times 8 = 64 + 5 = 69\) (write 9, carry 6)
\(5 \times 8 = 40 + 6 = 46\) (write 46)
Product = 46968
In simple words: Multiply every digit in 5871 by 8 and include carry-overs.
Exam Tip: Know your multiplication tables thoroughly to avoid calculation errors.

Question 3.
4621
\(\times\) 7
Answer:
\(1 \times 7 = 7\)
\(2 \times 7 = 14\) (write 4, carry 1)
\(6 \times 7 = 42 + 1 = 43\) (write 3, carry 4)
\(4 \times 7 = 28 + 4 = 32\) (write 32)
Product = 32347
In simple words: Multiply 4621 by 7 step by step from ones to thousands.
Exam Tip: Keep your columns neatly aligned.

Question 4.
6087
\(\times\) 4
Answer:
\(7 \times 4 = 28\) (write 8, carry 2)
\(8 \times 4 = 32 + 2 = 34\) (write 4, carry 3)
\(0 \times 4 = 0 + 3 = 3\) (write 3)
\(6 \times 4 = 24\) (write 24)
Product = 24348
In simple words: Multiply each digit of 6087 by 4, adding any carry-over.
Exam Tip: Pay special attention when multiplying zero by a number and adding a carry-over.

Question 5.
7125
\(\times\) 5
Answer:
\(5 \times 5 = 25\) (write 5, carry 2)
\(2 \times 5 = 10 + 2 = 12\) (write 2, carry 1)
\(1 \times 5 = 5 + 1 = 6\) (write 6)
\(7 \times 5 = 35\) (write 35)
Product = 35625
In simple words: Multiply 7125 by 5 starting from the ones place.
Exam Tip: Double check your addition of carry-overs.

Question 6.
2397
\(\times\) 9
Answer:
\(7 \times 9 = 63\) (write 3, carry 6)
\(9 \times 9 = 81 + 6 = 87\) (write 7, carry 8)
\(3 \times 9 = 27 + 8 = 35\) (write 5, carry 3)
\(2 \times 9 = 18 + 3 = 21\) (write 21)
Product = 21573
In simple words: Multiply 2397 by 9 column by column.

Answer:
Step 1: Multiply 64 by 3: \(64 \times 3 = 192\)
Step 2: Multiply 64 by 20: \(64 \times 20 = 1280\)
Step 3: Add both results: \(192 + 1280 = 1472\)
Product = 1472
In simple words: Multiply by the ones digit first, then by the tens digit with a zero placeholder, and add them up.
Exam Tip: Always put a zero or cross in the ones place before multiplying by the tens digit.

Question 2.
45
\(\times\) 25
Answer:
Step 1: Multiply 45 by 5: \(45 \times 5 = 225\)
Step 2: Multiply 45 by 20: \(45 \times 20 = 900\)
Step 3: Add both results: \(225 + 900 = 1125\)
Product = 1125
In simple words: Multiply 45 by 5, then by 20, and sum the partial products.
Exam Tip: Neatly stack your partial products for easy addition.

Question 3.
58
\(\times\) 37
Answer:
Step 1: Multiply 58 by 7: \(58 \times 7 = 406\)
Step 2: Multiply 58 by 30: \(58 \times 30 = 1740\)
Step 3: Add both results: \(406 + 1740 = 2146\)
Product = 2146
In simple words: Multiply 58 by 7 and 30 separately, then add the answers.
Exam Tip: Double check your addition of the two partial rows.

Question 4.
38
\(\times\) 46
Answer:
Step 1: Multiply 38 by 6: \(38 \times 6 = 228\)
Step 2: Multiply 38 by 40: \(38 \times 40 = 1520\)
Step 3: Add both results: \(228 + 1520 = 1748\)
Product = 1748
In simple words: Find partial products for 6 and 40, then add them together.
Exam Tip: Align your digits properly by place value.

Question 5.
95
\(\times\) 18
Answer:
Step 1: Multiply 95 by 8: \(95 \times 8 = 760\)
Step 2: Multiply 95 by 10: \(95 \times 10 = 950\)
Step 3: Add both results: \(760 + 950 = 1710\)
Product = 1710
In simple words: Multiply 95 by 8 and 10, then add the two products.
Exam Tip: Check each carry-over carefully.

Question 6.
83
\(\times\) 49
Answer:
Step 1: Multiply 83 by 9: \(83 \times 9 = 747\)
Step 2: Multiply 83 by 40: \(83 \times 40 = 3320\)
Step 3: Add both results: \(747 + 3320 = 4067\)
Product = 4067
In simple words: Compute partial products for 9 and 40, then add them.
Exam Tip: Neat handwriting prevents addition mistakes.

VI Do the following

Question 1. The cost of one book is Rs. 58. Find the cost of 25 such books.
Answer: Cost of 1 book = Rs. 58
Number of books = 25
Total cost = \(58 \times 25 = 1450\)
Cost of 25 books = Rs. 1450
In simple words: Multiply the cost of one book by the total number of books to get the total cost.
Exam Tip: Include the currency symbol (Rs.) in your final statement.

Question 2. A car travels 68 km in one hour. How far will it travel in 36 hours?
Answer: Distance traveled in 1 hour = 68 km
Time = 36 hours
Total distance = \(68 \times 36 = 2448\) km
In simple words: Multiply the speed per hour by the total hours to find the total distance.
Exam Tip: Include the correct unit (km) in your answer.

Question 3. There are 46 students in a class. How many students are there in 24 such classes?
Answer: Students in 1 class = 46
Number of classes = 24
Total students = \(46 \times 24 = 1104\)
In simple words: Multiply students per class by the number of classes.
Exam Tip: Double check your double-digit multiplication steps.

Question 4. There are 59 racks in a library. Each rack contains 45 books. How many books are there in the library?
Answer: Number of racks = 59
Books in each rack = 45
Total books = \(59 \times 45 = 2655\)
In simple words: Multiply the number of racks by books per rack to get the total book count.
Exam Tip: Label your final product clearly.

MEASUREMENT OF TIME

I. Fill in the blanks :

Question 1. 1 day = ___________ hours
Answer: 24
In simple words: One full day and night has 24 hours.
Exam Tip: Memorize basic time conversion factors.

Question 2. 1 hour = ___________ minutes
Answer: 60
In simple words: An hour is divided into 60 minutes.
Exam Tip: The minute hand completes one full circle in 60 minutes.

Question 3. 1 minute = ___________ seconds
Answer: 60
In simple words: Each minute consists of 60 seconds.

Answer: 7
In simple words: There are 7 days from Monday to Sunday in a week.
Exam Tip: Days of the week repeat continuously.

Question 5. 1 year = ___________ months
Answer: 12
In simple words: From January to December, there are 12 months in a year.
Exam Tip: January is the 1st month and December is the 12th.

Question 6. 1 year = ___________ days
Answer: 365
In simple words: A normal standard year has 365 days.
Exam Tip: Leap years have one extra day.

Question 7. 1 leap year = ___________ days
Answer: 366
In simple words: Every 4 years, February gets 29 days, making the year 366 days long.
Exam Tip: Leap years occur when the year is divisible by 4.

Question 8. The minute hand takes _________ hour to complete one round.
Answer: 1
In simple words: The minute hand goes all the way around the clock face in 1 hour.
Exam Tip: One full circle equals 60 minutes or 1 hour.

Question 9. The minute hand completes _________ rounds in a day.
Answer: 24
In simple words: Since there are 24 hours in a day, the minute hand makes 24 full rounds.
Exam Tip: 24 hours \(\times\) 1 round per hour = 24 rounds.

Question 10. The minute hand takes _________ minutes to move from one number to the next.
Answer: 5
In simple words: Each space between two numbers on a clock represents 5 minutes.
Exam Tip: Multiply the clock number by 5 to find minutes past the hour.

Question 11. The hour hand takes _________ to complete one round.
Answer: 12 hours
In simple words: The short hour hand takes 12 hours to go around the clock once.

Answer: 2
In simple words: In 24 hours, the hour hand completes 2 full circles (once for AM, once for PM).

Question 13. The hour hand takes _________ hour to move from one number to the next.
Answer: 1
In simple words: It takes 1 hour for the hour hand to travel from 12 to 1, or 1 to 2.

Question 14. Between two consecutive numbers on the clock are ___________ minutes.
Answer: 5
In simple words: There are 5 minute intervals between every number on a clock face.

Question 15. 8:20 morning is shown as _________.
Answer: 8:20 AM
In simple words: Morning time is denoted with AM.

Question 16. 5:45 in the evening is shown as _________.
Answer: 5:45 PM
In simple words: Evening time is denoted with PM.

Question 17. 9:30 at night is shown as _________.
Answer: 9:30 PM
In simple words: Night time uses PM.

Question 18. 10:00 before noon is shown as ___________.
Answer: 10:00 AM
In simple words: Time before midday (noon) is expressed as AM.

FRACTIONS

I) Fill in the blanks :

Question 1. Part of a whole is called a ___________________________
Answer: fraction.
In simple words: A fraction represents a portion of a complete whole.

Question 2. The number above the bar is called _____________________________
Answer: numerator.
In simple words: The top number in a fraction is the numerator.

Question 3. The number below the bar is called _____________________
Answer: denominator.
In simple words: The bottom number in a fraction is the denominator.

Question 4. The number \(\frac{2}{5}\) is read as _______________________
Answer: two-fifths.
In simple words: \(\frac{2}{5}\) is spoken as two-fifths.

Question 5. Fractions having same denominator are called ____________________
Answer: like fractions.
In simple words: Fractions with identical bottom numbers are like fractions.

Question 6. If two fractions have the ____________ denominators then the fraction with greater numerator is greater fraction.
Answer: same
In simple words: When denominators match, simply compare numerators.

Question 7. Sum of fractions having same denominator is denominator
Answer: \(\frac{\text{Sum of numerators}}{\text{Common denominator}}\)
In simple words: Add top numbers together while keeping the bottom number the same.

Question 8. Difference between two fractions having same denominator is denominator
Answer: \(\frac{\text{Difference of numerators}}{\text{Common denominator}}\)
In simple words: Subtract top numbers while keeping the bottom number unchanged.

INDIAN CURRENCY

I) Fill in the blanks :

Question 1. In India the unit of money is ______________________________.
Answer: Rupee
In simple words: The standard currency unit in India is the Rupee.

Question 2. 1 Rupee = ______________________ paise.
Answer: 100
In simple words: One Rupee is equal to 100 paise.

Question 3. We write Rs. for _____________ or _______________ and _______________ for paise
Answer: Rupees, Rs., p
In simple words: We use Rs. for rupees and p for paise.

Question 4. We write rupees and paise together separated by a __________________________
Answer: dot (or decimal point)
In simple words: A dot separates rupees from paise (e.g., Rs. 15.50).

Question 5. To convert rupees to paise, multiply by _____________________________
Answer: 100
In simple words: Multiply rupees by 100 to change them into paise.

Question 6. To convert paise into rupees divide by ____________________________
Answer: 100
In simple words: Divide paise by 100 to convert them into rupees.

Question 7. Money means medium of _____________________________
Answer: exchange
In simple words: Money is used as a medium to buy and sell goods.

II) Convert into paise

Question 1. Rs. 8.50
Answer: \(8.50 \times 100 = 850\) paise
In simple words: Remove the dot and multiply by 100 to convert rupees to paise.

Question 2. Rs. 51.05
Answer: \(51.05 \times 100 = 5105\) paise
In simple words: 51 rupees and 5 paise equals 5105 paise.

Question 3. Rs. 29.00
Answer: \(29 \times 100 = 2900\) paise
In simple words: 29 rupees equals 2900 paise.

Question 4. Rs. 14.50
Answer: \(14.50 \times 100 = 1450\) paise
In simple words: 14 rupees 50 paise is 1450 paise.

Question 5. Rs. 7.95
Answer: \(7.95 \times 100 = 795\) paise
In simple words: 7 rupees 95 paise equals 795 paise.

Question 6. Rs. 28.05
Answer: \(28.05 \times 100 = 2805\) paise
In simple words: 28 rupees 5 paise equals 2805 paise.

Question 7. Rs. 4.50
Answer: \(4.50 \times 100 = 450\) paise
In simple words: 4 rupees 50 paise equals 450 paise.

III) Convert into Rupees and paise

Question 1. 750 p
Answer: Rs. 7.50
In simple words: Divide by 100 by placing a decimal point two digits from the right.

Question 2. 1010 p
Answer: Rs. 10.10
In simple words: 1010 paise equals 10 rupees and 10 paise.

Question 3. 1868 p
Answer: Rs. 18.68
In simple words: 1868 paise equals 18 rupees and 68 paise.

Question 4. 1890 p
Answer: Rs. 18.90
In simple words: 1890 paise equals 18 rupees and 90 paise.

Question 5. 9090 p
Answer: Rs. 90.90
In simple words: 9090 paise equals 90 rupees and 90 paise.

Question 6. 625 p
Answer: Rs. 6.25
In simple words: 625 paise equals 6 rupees and 25 paise.

Question 7. 800 p
Answer: Rs. 8.00
In simple words: 800 paise equals exactly 8 rupees.

VII) Fill in the blanks :

Question 1. Division is repeated ________________________________ of the same number.
Answer: subtraction
In simple words: Subtracting the same number repeatedly is division.

Question 2. Division is the opposite of ____________________________________.
Answer: multiplication
In simple words: Multiplication and division are inverse operations.

Question 3. The number to be divided is called the ________________________________.
Answer: dividend
In simple words: The number being divided is the dividend.

Question 4. In \(20 \div 4 = 5\), the dividend is called the ____________________________.
Answer: 20
In simple words: 20 is the number being split up.

Question 5. The number that we are dividing by is called the ______________________
Answer: divisor
In simple words: The divisor tells how many parts to divide into.

Question 6. In \(500 \div 10 = 50\), here the divisor is _____________________________
Answer: 10
In simple words: 10 is the number we are dividing by.

Question 7. The answer in division is called the ______________________
Answer: quotient
In simple words: The result of a division problem is the quotient.

Question 8. In \(36 \div 4 = 9\), the quotient is _________________________________.
Answer: 9
In simple words: 9 is the final answer.

Question 9. Any number divided by 1 gives the __________________ as the quotient.
Answer: same number
In simple words: Dividing any number by 1 leaves it unchanged.

Question 10. \(455 \div 1 =\) ______________________________
Answer: 455
In simple words: Any number divided by 1 equals itself.

Question 11. Any number divided by itself will give ____________________ as the quotient.
Answer: 1
In simple words: A number divided by itself always equals 1.

Question 12. \(700 \div 700 =\) _____________________
Answer: 1
In simple words: 700 divided by 700 is 1.

Question 13. \(20 \div 20 =\) _______________________
Answer: 1
In simple words: Any non-zero number divided by itself is 1.

Question 14. Zero divided by any number (except 0) gives _____________________________.
Answer: zero
In simple words: 0 divided by any number is 0.

Question 15. \(0 \div 30 =\) ________________________
Answer: 0
In simple words: Zero divided by 30 is 0.

Question 16. \(0 \div 169 =\) ________________________
Answer: 0
In simple words: 0 divided by 169 is 0.

Question 17. You cannot divide by _____________________________
Answer: zero
In simple words: Division by zero is undefined in mathematics.

Question 18. \(64 \div 8 =\) __________________________
Answer: 8
In simple words: 8 times 8 is 64.

Question 19. Each multiplication fact has a corresponding _______________________
Answer: division fact
In simple words: Multiplication and division sentences come in pairs.

Question 20. The division fact has a corresponding _____________________________
Answer: multiplication fact
In simple words: Every division has a matching multiplication equation.

Question 21. The division fact for \(6 \times 6 = 36\) is ____________________.
Answer: \(36 \div 6 = 6\)
In simple words: Reversing multiplication gives division.

Question 22. If \(2 \times 9 = 18\), then \(18 \div 9 =\) ________________________________
Answer: 2
In simple words: Using fact families, 18 divided by 9 is 2.

Question 23. If \(6 \times 7 =\) _________________________, then _________________ \(\div 7 = 6\)
Answer: 42, 42
In simple words: \(6 \times 7 = 42\), so \(42 \div 7 = 6\).

Question 24. If \(8 \times 4 = 32\), then \(32 \div\) _________________ \(=\) ___________________
Answer: 4, 8
In simple words: 32 divided by 4 equals 8.

Question 25. \(14 \div 2 = 7\) as \(7 \times 2 =\) __________________________
Answer: 14
In simple words: Multiplication checks division answers.

Question 26. \(49 \div 7 =\) ___________________ as _______________ \(\times 7 =\) _________________.
Answer: 7, 7, 49
In simple words: 49 divided by 7 is 7 because \(7 \times 7 = 49\).

ADDITION OF 4 DIGIT NUMBERS WITHOUT CARRYING

XVIII) Add the following :

Question 1.
Th H T O
3 7 0 4
+ 5 3 2 1
Answer:
Ones: \(4 + 1 = 5\)
Tens: \(0 + 2 = 2\)
Hundreds: \(7 + 3 = 10\) (write 0, carry 1 to thousands)
Thousands: \(3 + 5 + 1 = 9\)
Sum = 9025
In simple words: Add numbers column by column from right to left.
Exam Tip: Always line up place values correctly.

Question 2.
Th H T O
4 3 9 0
+ 2 6 8 9
Answer:
Ones: \(0 + 9 = 9\)
Tens: \(9 + 8 = 17\) (write 7, carry 1)
Hundreds: \(3 + 6 + 1 = 10\) (write 0, carry 1)
Thousands: \(4 + 2 + 1 = 7\)
Sum = 7079
In simple words: Add each column carefully with carry-overs.
Exam Tip: Write carried numbers neatly above the next column.

Question 3.
Th H T O
5 6 2 0
+ 1 2 3 4
Answer:
Ones: \(0 + 4 = 4\)
Tens: \(2 + 3 = 5\)
Hundreds: \(6 + 2 = 8\)
Thousands: \(5 + 1 = 6\)
Sum = 6854
In simple words: Simple column addition without carrying.
Exam Tip: Verify your addition from top to bottom.

Question 4.
Th H T O
1 2 3 4
+ 5 6 7 8
Answer:
Ones: \(4 + 8 = 12\) (write 2, carry 1)
Tens: \(3 + 7 + 1 = 11\) (write 1, carry 1)
Hundreds: \(2 + 6 + 1 = 9\)
Thousands: \(1 + 5 = 6\)
Sum = 6912
In simple words: Add columns from right to left with carrying.
Exam Tip: Double check sums exceeding 9.

XIX) Subtract the following :

Question 1.
Th H T O
7 6 4 5
- 2 3 4 9
Answer:
Ones: Borrow 1 from tens, \(15 - 9 = 6\)
Tens: \(3\) becomes \(13\), borrow 1, \(13 - 4 = 9\)
Hundreds: \(5 - 3 = 2\)
Thousands: \(7 - 2 = 5\)
Difference = 5296
In simple words: Subtract column by column, borrowing when the top digit is smaller than the bottom digit.
Exam Tip: Cross out borrowed digits and reduce them by 1.

Question 2.
Th H T O
8 6 4 3
- 2 3 9 9
Answer:
Ones: Borrow 1, \(13 - 9 = 4\)
Tens: \(3\) becomes \(13\), borrow 1, \(13 - 9 = 4\)
Hundreds: \(5 - 3 = 2\)
Thousands: \(8 - 2 = 6\)
Difference = 6244
In simple words: Perform column subtraction with proper borrowing.
Exam Tip: Take your time during borrowing steps.

XX) Multiply the following :

Question 1.
Th H T O
6 0 8 7
\(\times\) 8
Answer:
\(7 \times 8 = 56\) (write 6, carry 5)
\(8 \times 8 = 64 + 5 = 69\) (write 9, carry 6)
\(0 \times 8 = 0 + 6 = 6\) (write 6)
\(6 \times 8 = 48\) (write 48)
Product = 48696
In simple words: Multiply each digit of 6087 by 8 from right to left.
Exam Tip: Always add the carry-over digit after multiplying.