CBSE Class 5 Mathematics We the Travellers II Worksheet Set 01

True or False

Question. The sum of two uneven numbers is always an odd number.
Answer: False
Explanation: Adding two odd numbers like 3 and 5 gives 8, which is always an even number.

Question. A palindrome number reads distinctly from left to right.
Answer: False
Explanation: Palindrome numbers like 121 or 363 read exactly the same forward and backward.

Question. The sum of two consecutive numbers is constantly odd.
Answer: True
Explanation: Two numbers that follow each other are always one even and one odd, and even plus odd always equals odd.

Question. Pressing a torch button an odd number of times leaves the torch ON.
Answer: True
Explanation: Press 1 is ON, Press 2 is OFF, Press 3 is ON; so every odd-numbered press turns the light ON.

Question. The sum of two even numbers is always an even total.
Answer: True
Explanation: Even numbers always have matching pairs, so adding them together keeps every number paired up.

Fill in the Blanks

Question. Complete the missing number: 877 + ______ = 1,000
Answer: 123
Explanation: Subtract 877 from 1,000 to find the missing part: 1,000 – 877 = 123.

Question. Find the connection between numbers: If 189 + 98 = 287, then 287 – 98 = ______ and 287 – 189 = ______.
Answer: 189; 98
Explanation: Subtracting one part of a sum from the total always leaves the other part.

Question. If 46 + 21 = 67, therefore 67 – 21 = ______, and 67 – 46 = ______.
Answer: 46; 21
Explanation: Subtraction undoes addition, giving back the other number used in the sum.

Question. Help fill in the blank with a fitting number: 59 + ______ = 100
Answer: 41
Explanation: Subtract 59 from 100 to get 41.

Question. Find a way to reach the target answer: 32 – ______ = 9
Answer: 23
Explanation: Subtract 9 from 32 to see how much was taken away: 32 – 9 = 23.

Question. Find the relationship in the equations: If 198 – 98 = 100, then 100 + ______ = 198, and 198 – ______ = 98.
Answer: 98; 100
Explanation: Adding the difference back to the smaller number returns the starting number.

Question. Calculate the missing number: 4,103 + ______ = 10,000
Answer: 5,897
Explanation: Subtract 4,103 from 10,000 to get 5,897.

Question. Find the absent number: 180 + ______ = 1,000
Answer: 820
Explanation: Take away 180 from 1,000: 1,000 – 180 = 820.

Question. Fill in the blanks suitably: If 872 – 672 = 200, then 200 + ______ = 872, and 872 – ______ = 672.
Answer: 672; 200
Explanation: Adding 672 to 200 brings you back to 872, and taking away 200 leaves 672.

Question. Find the missing number in the minus problem: 877 – ______ = 99
Answer: 778
Explanation: Subtract 99 from 877 to find the missing number: 877 – 99 = 778.

Match the Following

Question. Observe the table below and answer the questions that follow.

Explanation: This table records the height of each mountain peak and the year it was climbed.

Question. The quantity of certificates printed and the number of students who attended the competition in each district are as follows.

Explanation: If certificates printed are more than attendees, they are in excess; if fewer, they fall short.

Questions / Short Question Answers

Question. Find 2 numbers among 5,205; 6,220; 7,095; 8,455; and 4,840 whose sum is nearest to 10,000.
Answer: 5,205 and 4,840
Explanation: Adding 5,205 and 4,840 gives 10,045, which is only 45 away from 10,000.

Question. Virat Kohli has scored 27,599 runs. He has 6,758 runs less than Sachin Tendulkar. How many runs has Sachin Tendulkar made?
Answer: 34,357 runs
Explanation: Sachin scored more runs than Virat, so add 6,758 to 27,599: 27,599 + 6,758 = 34,357 runs.

Question. What is the difference in height between the highest peak (Mount Everest, 8,848 m) and the lowest peak (Mount Elbrus, 5,642 m) scaled by Priyanka Mohite?
Answer: 3,206 metres
Explanation: Subtract the lower height from the greater height: 8,848 – 5,642 = 3,206 metres.

Question. Ambrish collected ₹ 92,375 over a year to buy cows and goats. He buys a cow for ₹ 26,000 and a goat for ₹ 17,000. He also buys a milking machine for ₹ 19,873. Does he have enough money to buy these? How much more or less does he have than he needs?
Answer: Yes, he has enough money; he has ₹ 29,502 left over.
Explanation: Total spent = 26,000 + 17,000 + 19,873 = ₹ 62,873. Subtracting this from ₹ 92,375 leaves ₹ 29,502.

Question. Group 1 has numbers 1, 2, 7, 9 (sum = 19). Group 2 has numbers 3, 4, 5, 9 (sum = 21). Interchange a couple of numbers between the two groups to make their sums equal.
Answer: Interchange 2 and 3.
Explanation: Swapping 2 with 3 adds 1 to the left side (making 20) and takes 1 from the right side (making 20).

Question. Mary starts from Kolkata with ₹ 12,540. She spends ₹ 3,275 on food and other expenses. In Varanasi, her uncle gives her a gift worth ₹ 4,900. She spends ₹ 2,645 on the train ticket to Delhi and ₹ 1,275 on gifts. How much money is Mary left with at the end of the Delhi trip?
Answer: ₹ 10,245
Explanation: Total money she had = 12,540 + 4,900 = ₹ 17,440. Total money spent = 3,275 + 2,645 + 1,275 = ₹ 7,195. Balance left = 17,440 – 7,195 = ₹ 10,245.

Question. Select the numbers that are even: 297, 498, 724, 100, 199, 789, 49, 6,893, 846, 111, 222, 1,023.
Answer: 498, 724, 100, 846, 222
Explanation: Even numbers always end with 0, 2, 4, 6, or 8.

Question. A truck has 28 litres of fuel in its tank. An additional 75 litres is filled. What is the total quantity of fuel in the lorry?
Answer: 103 litres
Explanation: Add the starting fuel to the extra fuel: 28 + 75 = 103 litres.

Question. Find a way to rapidly subtract 99 from 247.
Answer: 148
Explanation: Subtract 100 first to get 147, then add 1 back because 99 is 1 less than 100: 147 + 1 = 148.

Question. Nazrana and her friends arranged a road trip across India, starting from Delhi. They first drove to Mumbai (1,600 km), then Goa (590 km), then Hyderabad (670 km), and finally Puri (1,055 km). Find the total distance travelled.
Answer: 3,915 km
Explanation: Add up all the travel distances: 1,600 + 590 + 670 + 1,055 = 3,915 km.

Question. Write all palindrome numbers between 100 and 200.
Answer: 101, 111, 121, 131, 141, 151, 161, 171, 181, 191
Explanation: Between 100 and 200, each palindrome starts and ends with 1.

Question. A truck can carry 8,250 kg of cargo. A factory loads 3,675 kg of cement and 2,850 kg of steel on it. (a) What is the total weight loaded onto the truck? (b) How much more weight can the truck carry before reaching its maximum capacity?
Answer: (a) 6,525 kg; (b) 1,725 kg
Explanation: (a) Add the items loaded: 3,675 + 2,850 = 6,525 kg. (b) Subtract from capacity: 8,250 – 6,525 = 1,725 kg.

Question. Raghu presses a torch button. Press 1 turns it ON, Press 2 turns it OFF, Press 3 turns it ON, and so on. Will the torch be ON or OFF after the 23rd press? How do you know?
Answer: The torch will be ON.
Explanation: The torch turns ON on odd numbers and OFF on even numbers; since 23 is an odd number, it stays ON.

Question. Members of a school council have collected ₹ 70,500. They plan to set up a Maths Lab worth ₹ 39,785, buy library books worth ₹ 9,545, and purchase sports equipment worth ₹ 19,548. Estimate whether the school council has raised enough money.
Answer: Yes, the school council has raised enough money.
Explanation: Rounding gives 40,000 + 10,000 + 20,000 = ₹ 70,000. Since ₹ 70,500 is greater than ₹ 70,000, they have enough.

Question. A factory produces 54,000 nuts and bolts in a day. An order is received for 85,300 nuts and bolts. How many more nuts and bolts does the factory need to produce to complete the order?
Answer: 31,300 nuts and bolts
Explanation: Subtract what is already made from the total order: 85,300 – 54,000 = 31,300.

Question. Jincy opened her piggy bank. She found 8 coins of ₹ 1, 9 coins of ₹ 2 and 5 coins of ₹ 5. She wants to buy stickers worth ₹ 38. What possible combination of coins can she use to pay the precise amount?
Answer: Five ₹ 5 coins, six ₹ 2 coins, and one ₹ 1 coin.
Explanation: Five ₹ 5 coins make ₹ 25, six ₹ 2 coins make ₹ 12, and one ₹ 1 coin makes ₹ 1; adding them gives 25 + 12 + 1 = ₹ 38.