CBSE Class 3 Mathematics Revision Worksheet Set 24

Q1) Fill in the missing numerals :

    Predecessor      Numerals    Sucessor
a) 907                      9 0 8              909
b) 2 9 9                    300                301
c) 99                        100                1 0 1
d) 998                     9 9 9               1000
e) 500                      501                 502

2) Write the appropriate symbol < ,> or = in each of following :
a) 6 0 3 > 3 6 0
b) 9 9 9 < 1 0 0 1
c) 5 2 5 = 5 2 5
d) 7 0 3 < 7 0 0 3
e) 6 0 7 0 < 7 0 6 0
f) 3 5 4 5 < 3 5 5 4

3) Encircle the largest number and tick the smallest number:

a) 3 5 4 6, 5 3 6 4 , 4 6 5 3, 6 3 4 5, 5 4 3 6.
b) 1 6 9 9, 9 6 1 9, 6 9 9 1, 6 1 1 9, 9 6 9 1.
c) 7 5 0 7, 7 5 7 0, 7 0 6 7, 6 7 7 0, 7 0 7 5.

4) Look at the pattern and fill in the blanks:

a) 2 0 9 1, 2 0 9 3, 2 0 9 5 , 2 0 9 7, 2 0 9 9 .
b) 3 5 0 7, 3 6 0 7, 3 7 0 7, 3 8 0 7, 3 9 0 7 .
c) 1 0 1 1, 1 0 2 1 , 1 0 3 1, 1 0 4 1 , 1 0 5 1 .
d) 5 8 6 7 , 5 7 6 7 , 5 6 6 7 , 5 5 6 7, 5 4 6 7 .

5) Tick the correct option :
a) The smallest 4- digit number is
1) 1000
2) 9999
3) 9000
4) 1111

b) The largest 4- digit number is
1)1000
2) 9999
3) 9000
4) 1111

c) Which number will come next in the following series ? .
5, 10, 20, 35, 55, .................
1) 70
2) 75
3) 80
4) 85

Exercise-2

We will do sum no 12 in Maths Note book. All the sums of Q12 will be done in Maths Note book.
Q12 ) Write the number names for each of the following numbers -
a) 4687 - Four thousand six hundred eighty seven .
e) 1029 - One thousand twenty nine .
j) 4004 - Four thousand Four .

Exercise-3

Q8) Solution -           19
Place Value of 2 is-  2 0 0
Face Value of 2 is-   --    2
                              ________
Difference is -            1 9 8
                               ________
Ans - Difference between the place value and the face value of 2 is-1 9 8

Do Q no 8-13 in Note book.

Q10) Solution                    - 49
Place Value of first 5 is     - 500
Place Value of second 5 is- -- 5
                                       _______
Difference is -                    495
                                      ________
Ans - Difference between the place value of two fives is- 4 9 5 .

Q14 a) 1576 =1000 + 500 + 70+ 6    e) 3205 = 3000 + 200 + 00 + 5

Do all the sums of Q14 from a) to h) in Note book .

Q19 a) 3294 to 3304 = 3294,3296,3298,3300,3302,3304.

Do all the parts in Note book( b,c) and also do Q20 &21 in Note book .

Q22a) 2578 – 3578 , 4578, 5578 , 6578 ,7578.

Exercise-4

Q4 a) 3042, 342 , 4032 , 4320 , 432 , 324.
a) 324 , 342, 432, 3042 , 4032 , 4320 .

Q5 a) 1001, 1110, 1011, 1100, 101.
a) 1110 , 1100 , 1011 , 1001 , 101 .

Q7) 8630 , 8360 , 8036 , 8063 , 8603 , 8306 .

Q8 a) 8753 .
Do all the parts in Note book

Q9 a) 1246 .
Do all the parts in Note book

Please click the below link to access CBSE Class 3 Mathematics Worksheet (45) - Revision

Q.1 Write down the difference between cube and cuboid, draw diagram and write 2-2 examples of each -
Answer:

In simple words: A cube has six identical square sides like a box of chalk. A cuboid has six rectangular sides like a brick.

Exam Tip: Remember that both solid shapes have exactly 6 faces, 12 edges, and 8 corners.

Q.2 Draw the given types of lines -

Question 2(i). Straight / Horizontal line -
Answer:
In simple words: A horizontal line goes straight from left to right like a sleeping line.

Exam Tip: Use a ruler to make sure the sleeping line goes straight across without curving.

Question 2(ii). Vertical line -
Answer:
In simple words: A vertical line stands straight up and down like a flagpole.

Exam Tip: Keep your ruler aligned vertically to draw a straight up-and-down line.

Question 2(iii). Slant line -
Answer:
In simple words: A slant line slopes to one side like a playground slide.

Exam Tip: Angle your ruler slightly to draw a straight slanted line.

Question 2(iv). Curved line -
Answer:
In simple words: A curved line is wavy and bends smoothly without any sharp corners.

Exam Tip: Draw this line slowly by hand without a ruler so it stays round and smooth.

Q.3 Complete the patterns -

Question 3(i). AB , BC , CD , ____ , _____ , _____ , ______
Answer: DE , EF , FG , GH
In simple words: Each group has two letters, and the next group starts with the second letter of the group before it.

Exam Tip: Say the alphabet aloud to double-check that your letter pairs match up in order.

Question 3(ii). 2 , 12 , 22 , 32 , _____ , _____ , _____ , ______
Answer: 42 , 52 , 62 , 72
In simple words: Add 10 to each number to find the next number in this pattern.

Exam Tip: Notice that the digit in the ones place is always 2, while the tens place increases by 1.

Question 3(iii). 50 , 100 , 150 , _____ , _____ , ______ , 350 , 400
Answer: 200 , 250 , 300
In simple words: Count up by adding 50 each time to complete the pattern.

Exam Tip: This pattern is just like counting by 5s but with a zero at the end.

Question 3(iv). 2 , 4 , 7 , 11 , _____ , ______ , ______ , _____
Answer: 16 , 22 , 29 , 37
In simple words: The numbers grow by adding 2, then adding 3, then adding 4, and so on.

Exam Tip: Write down the differences (+2, +3, +4...) above each step to see what to add next.

Question 3(v). 824 , 724 , 624 , ______ , ______ , ______
Answer: 524 , 424 , 324
In simple words: Subtract 100 from the current number to get the next one.

Exam Tip: Keep the last two digits (24) the same and decrease the hundreds digit by 1.

Question 3(vi). Triangle, Square, Circle, Triangle, Square, _____ , ______ , _______
Answer: Circle , Triangle , Square
In simple words: The three shapes repeat in the same order over and over again.

Exam Tip: Find the repeating block of shapes first so you can copy it for the next spaces.

Question 3(vii). Up arrow, Left arrow, Down arrow, Right arrow, ____ , _____ , _____
Answer: Up arrow , Left arrow , Down arrow
In simple words: The arrow turns counter-clockwise by one step each time.

Exam Tip: Follow the turning pattern: up, left, down, right, and then start over from up.

Question 3(viii). [progressive tree-drawing pattern] , ____ , _____
Answer: The next two steps would continue adding more lines and leaves to complete the drawing.
In simple words: This pattern adds a few more lines to make a drawing step-by-step.

Exam Tip: Check what lines were added in the earlier steps to continue the drawing correctly.

Question 3(ix). 70 , 60 , 50 , _____ , ______ , _____
Answer: 40 , 30 , 20
In simple words: Count backwards by tens to fill in the blanks.

Exam Tip: Subtract 10 from each number to find the next number in sequence.

Question 3(x). 24 , 32 , 40 , ______ , ______ , ______
Answer: 48 , 56 , 64
In simple words: Add 8 to the last number to find the next number in this pattern.

Exam Tip: This pattern is a list of answers from the 8 multiplication table starting from 24.

Q.4 Draw line of symmetry -

Question 4(i). Draw line of symmetry for the up-pointing arrow
Answer:
In simple words: Draw a straight line down the center to divide the arrow into two matching sides.

Exam Tip: Use a dashed line to show where you would fold the shape to make the halves match.

Question 4(ii). Draw line of symmetry for the horizontal chevron
Answer:
In simple words: Draw a horizontal line through the middle to separate the top and bottom matching halves.

Exam Tip: Ensure your line splits the upper part and the lower part exactly in half.

Question 4(iii). Draw line of symmetry for the letter S
Answer:
In simple words: The letter S cannot be folded in half to match up, so it has no line of symmetry.

Exam Tip: Always verify if a shape can fold to match up before trying to draw a line of symmetry.

Question 4(iv). Draw line of symmetry for the triangle
Answer:
In simple words: Draw a straight line from the top corner down to the middle of the bottom side.

Exam Tip: A vertical line splits an isosceles or equilateral triangle into two identical sides.

Question 4(v). Draw line of symmetry for the bell
Answer:
In simple words: A vertical line through the center of the bell splits it into two identical sides.

Exam Tip: The left half and the right half must be exact mirror images of each other.

Q.5 Complete the table -

Question 5. Complete the tables based on shaded parts and fraction terminology:
Answer:
Table 1: Shaded and Total Parts

Table 2: Fraction names and values

In simple words: Count the shaded pieces to write the top number (numerator) and count all pieces to write the bottom number (denominator).

Exam Tip: Be careful to count all pieces correctly, and use hyphens when writing fractions in words (like three-fifths).

Q.6 Write correct fraction -

Question 6(i). Karan coloured 4 out of 8 candles - ____________
Answer: \( \frac{4}{8} \) (or \( \frac{1}{2} \))
In simple words: The fraction of candles colored is four-eighths, which is equal to one-half.

Exam Tip: Write the colored items as the numerator and the total items as the denominator.

Question 6(ii). Day completed 4 out of 9 sums in maths. The fraction of sums not completed - ________________
Answer: \( \frac{5}{9} \)
In simple words: Five out of nine total sums are left, so the fraction is five-ninths.

Exam Tip: Subtract completed tasks from total tasks to find the unfinished fraction.

Question 6(iii). \( \frac{1}{2} \) of 40 = __________________
Answer: 20
In simple words: Finding half of forty means dividing forty into two equal parts of twenty.

Exam Tip: To calculate half of a number, just divide that number by 2.

Question 6(iv). \( \frac{1}{3} \) of 18 = __________________
Answer: 6
In simple words: One-third of eighteen is six because eighteen divided by three is six.

Exam Tip: To get one-third of any number, divide it by 3.

Question 6(v). Sita has 12 note books, she gave \( \frac{1}{2} \) (one half) of them to her sister. How many notebooks did she give her sister ?
Answer: 6 notebooks
In simple words: Sita gave six notebooks to her sister since six is exactly half of twelve.

Exam Tip: Divide 12 by 2 to solve, and write the unit "notebooks" in your final answer.

Q.7 Match the following -

Question 7. Match the fraction values with their corresponding pictures and names:
Answer:

In simple words: This table displays the matching pairs of numbers, shaded shapes, and written fraction names.

Exam Tip: Count how many equal pieces the shape has first to check the bottom number of the fraction.

Q.8 Colour \( \frac{1}{2} \) (one half) of the following -

Question 8(i). Colour \( \frac{1}{2} \) of the heart shape
Answer:
In simple words: Color one side of the folded heart shape to show half.

Exam Tip: A vertical line right down the center divides the heart into two identical halves.

Question 8(ii). Colour \( \frac{1}{2} \) of the envelope shape
Answer:
In simple words: Color one of the two equal rectangular parts of the box.

Exam Tip: You can divide this rectangular envelope shape in half either from top to bottom or from side to side.

Question 8(iii). Colour \( \frac{1}{2} \) of the circle
Answer:
In simple words: Draw a straight line through the center of the circle and color one side.

Exam Tip: Make sure the dividing line goes through the exact center of the circle.

Question 8(iv). Colour \( \frac{1}{2} \) of the flowers collection
Answer:
In simple words: There are six items in total. Shading three of them shows half of the group.

Exam Tip: Count all items, then divide the total by 2 to know how many to shade.

Q.9 Colour (one third) of the collection - / Colour (one foruths) of the collection -

Question 9(i). Colour \( \frac{1}{3} \) of the collection of 6 flowers: \( \frac{1}{3} \) of 6 = _____
Answer: 2
In simple words: Split six items into three equal groups, which gives two items in each group.

Exam Tip: Divide the total number of items by 3 to find out how many to color.

Question 9(ii). Colour \( \frac{1}{3} \) of the collection of 9 flowers: \( \frac{1}{3} \) of 9 = _____
Answer: 3
In simple words: Nine items shared among three groups means coloring exactly three items.

Exam Tip: Use your 3 multiplication tables: 3 times 3 equals 9, so shade 3 items.

Question 9(iii). Colour \( \frac{1}{2} \) (one foruths) of the collection - \( \frac{1}{4} \) of 20 = _____
Answer: 5
In simple words: Sharing twenty circles into four equal groups gives five circles in each group.

Exam Tip: Divide the total number (20) by 4 to get 5.

Question 9(iv). Colour \( \frac{1}{4} \) of 8 = _____
Answer: 2
In simple words: One-fourth of eight is two because eight divided by four is two.

Exam Tip: To find one-fourth of any set of items, divide the total count by 4.

Q.10 Fill in the blanks -

Question 10(i). Total parts of a fraction called __________________
Answer: Denominator
In simple words: The total number of equal parts is written on the bottom as the denominator.

Exam Tip: The bottom number of a fraction represents the total parts of the whole.

Question 10(ii). __________________ fourths make a whole.
Answer: 4
In simple words: It takes four equal quarters to build one complete whole.

Exam Tip: Remember that any fraction with the same top and bottom number (like 4/4) equals one whole.

Question 10(iii). __________________ halves make a whole.
Answer: 2
In simple words: Two equal halves join together to make one whole shape.

Exam Tip: Think of cutting an apple into 2 halves - putting both pieces together gives you 1 apple.

Question 10(iv). The fraction of two - thirds is ___________________
Answer: \( \frac{2}{3} \)
In simple words: Two-thirds is written as a fraction with 2 on top and 3 at the bottom.

Exam Tip: The word 'thirds' means the denominator is 3, and 'two' is the numerator.

Question 10(v). In the fraction \( \frac{7}{9} \), 7 is the ______________
Answer: Numerator
In simple words: The number on top of a fraction is called the numerator.

Exam Tip: Numerator tells us how many parts we are talking about or have shaded.

Question 10(vi). \( \frac{1}{2} \) of 20 is ________________
Answer: 10
In simple words: Half of twenty is ten.

Exam Tip: Divide the number 20 by 2 to find half of it easily.

Question 10(vii). A _______________ has 3 sides and 3 corners.
Answer: Triangle
In simple words: A shape with three flat sides and three corners is a triangle.

Exam Tip: 'Tri' means three, which helps you remember three sides and three corners.

Question 10(viii). A circle has ____________ corners.
Answer: zero (0)
In simple words: A circle is perfectly round so it has no corners.

Exam Tip: Flat shapes with curved boundaries (like circles or ovals) have no corners.

Question 10(ix). In a rectangle, the __________ sides are equal.
Answer: opposite
In simple words: In a rectangle, only the sides facing each other are equal in length.

Exam Tip: Do not say 'all' sides are equal, because that is only true for a square.

Question 10(x). Every face of a _________________ is a rectangle.
Answer: cuboid
In simple words: A cuboid is a 3D box shape where every flat side is a rectangle.

Exam Tip: A box of cereal is a perfect everyday example of a cuboid shape.

Question 10(xi). A cone has _____________ faces, _______________ edge and ___________________ corner.
Answer: 2 faces, 1 edge and 1 corner
In simple words: A cone has two faces, one curved edge, and one sharp corner at the very top.

Exam Tip: Remember that a cone has 1 flat circular face at the bottom and 1 curved face on the side.

Question 10(xii). ________________ is the surface of a solid.
Answer: Face
In simple words: The flat outer side of a solid 3D shape is called its face.

Exam Tip: Any flat surface on a solid shape is referred to as a face.

Question 10(xiii). ________________ is the point where 3 faces meet.
Answer: Vertex (or Corner)
In simple words: A corner where three flat faces meet on a 3D shape is called a vertex.

Exam Tip: The singular term is 'vertex', and the plural term is 'vertices'.

Question 10(xiv). __________________ is formed when two surfaces or faces meet.
Answer: Edge
In simple words: An edge is the straight line where two flat faces meet on a box.

Exam Tip: Think of an edge as the side line along a solid block.

Question 10(xv). A _________________ has a definite length and two end points.
Answer: line segment
In simple words: A line segment is a straight line that starts and stops at two points.

Exam Tip: Unlike a standard line which goes on forever, a line segment has a fixed length.

Question 10(xvi). A cuboid has ___________ faces, ______________ edges and _______________ corners.
Answer: 6 faces, 12 edges and 8 corners
In simple words: A cuboid has six flat sides, twelve edges, and eight corners.

Exam Tip: Keep in mind that a cuboid has the exact same number of faces, edges, and corners as a cube.