CBSE Class 5 Mathematics We the Travellers II Worksheet Set 02

True or False

Question. The sum of two consecutive numbers is constantly odd.
Answer: True
Explanation: When two numbers come right after each other, one is odd and one is even. Adding them always gives an odd sum.

Question. Pressing a torch button an odd number of times leaves the torch ON.
Answer: True
Explanation: The first press turns the torch ON, the second turns it OFF, the third turns it ON, so every odd press turns it ON.

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

Question. A palindrome number reads identically from left to right and right to left.
Answer: True
Explanation: A palindrome number like 121 or 404 looks the same whether you read it forward or backward.

Question. The sum of two even numbers always gives an odd result.
Answer: False
Explanation: Adding two even numbers like 4 and 6 gives 10, which is always an even number.

Fill in the Blanks

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

Question. If 46 + 21 = 67, then 67 – 21 = ______, and 67 – 46 = ______.
Answer: 46; 21
Explanation: Subtraction is the opposite of addition, so taking away one part gives the other part.

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

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

Question. Find the relationship in the statements: If 198 – 98 = 100, then 100 + ______ = 198, and 198 – ______ = 98.
Answer: 98; 100
Explanation: Adding the difference back to the smaller number brings you right back to 198.

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

Question. Fill in the blank suitably: 760 + ______ = 1,000
Answer: 240
Explanation: Subtract 760 from 1,000: 1,000 – 760 = 240.

Question. Discover the missing number in the puzzle: 32 – ______ = 9
Answer: 23
Explanation: Take away 9 from 32 to see what was subtracted: 32 – 9 = 23.

Question. Find the link between numbers: If 189 + 98 = 287, then 287 – 98 = ______ and 287 – 189 = ______.
Answer: 189; 98
Explanation: Taking one added number away from the total gives the other number.

Question. Fill in the missing value: 180 + ______ = 1,000
Answer: 820
Explanation: Subtract 180 from 1,000: 1,000 – 180 = 820.

Match the Following

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

Explanation: This chart shows the heights of different mountain peaks and the year each one was climbed.

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

Explanation: Subtract the number of students from the printed certificates to see if there were extra or if more were needed.

Questions / Short Question Answers

Question. A factory manufactures 54,000 nuts and bolts in a day. An order is placed 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 the nuts and bolts already made from the total order: 85,300 – 54,000 = 31,300.

Question. A vehicle 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 newly added fuel: 28 + 75 = 103 litres.

Question. Virat Kohli has scored 27,599 runs. He has 6,758 runs fewer than Sachin Tendulkar. How many runs has Sachin Tendulkar scored?
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. Group 1 has numbers 1, 2, 7, 9 (sum = 19). Group 2 has numbers 3, 4, 5, 9 (sum = 21). Interchange a pair of numbers between the two sets to make their sums equal.
Answer: Swap 2 and 3.
Explanation: Swapping 2 from Group 1 with 3 from Group 2 adds 1 to Group 1 and subtracts 1 from Group 2, making both sums 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 present worth ₹ 4,900. She spends ₹ 2,645 on the train ticket to Delhi and ₹ 1,275 on souvenirs. 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. Find two numbers among 5,205; 6,220; 7,095; 8,455; and 4,840 whose sum is closest 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. Ambrish saved ₹ 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 possess 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 cost = 26,000 + 17,000 + 19,873 = ₹ 62,873. Since ₹ 92,375 is more than ₹ 62,873, he has ₹ 29,502 remaining.

Question. A truck can carry 8,250 kg of goods. 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 extra weight can the truck carry before reaching its maximum capacity?
Answer: (a) Total loaded = 6,525 kg; (b) Remaining capacity = 1,725 kg
Explanation: (a) Add the items loaded: 3,675 + 2,850 = 6,525 kg. (b) Subtract from maximum capacity: 8,250 – 6,525 = 1,725 kg.

Question. Members of a school council have collected ₹ 70,500. They plan to setup a Maths Lab with some games and models 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: Round the values: 40,000 + 10,000 + 20,000 = ₹ 70,000. Since ₹ 70,500 is more than ₹ 70,000, they have enough funds.

Question. Nazrana and her friends planned 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). Compute the total distance travelled.
Answer: 3,915 km
Explanation: Add up all the journey distances: 1,600 + 590 + 670 + 1,055 = 3,915 km.

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

Question. Choose 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: A number is even if its last digit is 0, 2, 4, 6, or 8.

Question. Raghu presses a torch switch. Press 1 turns it ON, Press 2 turns it OFF, Press 3 turns it ON, and so on. Will the torch be illuminated or dark after the 23rd press? How do you know?
Answer: The torch will be ON.
Explanation: The light turns ON for odd-numbered presses and OFF for even-numbered presses. Since 23 is an odd number, it stays ON.

Question. Record 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 the digit 1.

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 mix of coins can she use to pay the exact amount?
Answer: 5 coins of ₹ 5, 6 coins of ₹ 2, and 1 coin of ₹ 1.
Explanation: 5 × ₹ 5 = ₹ 25, 6 × ₹ 2 = ₹ 12, and 1 × ₹ 1 = ₹ 1. Adding these gives 25 + 12 + 1 = ₹ 38.