Page 51 - Touchpad Mathematics_Ver1.0_C5

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\ 19-Nov-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________

Exercise 2D

1. find the product.
a. 5643 × 8 b. 9306 × 7 c. 5678 × 27 d. 4036 × 52 e. 572 × 162
f. 348 × 204 g. 2431 × 272 h. 4018 × 570 i. 4386 × 105

2. find the product without actual multiplication.

a. 57 × 10 = ______ b. 808 × 100 = ______ c. 564 × 100 = ______
d. 8643 × 10 = ______ e. 2763 × 100 = ______ f. 5090 × 1000 = ______

3. fill in the blanks using the properties of multiplication.
a. 6326 × 80 = ______ × 6326 b. 4999 × ______ = 0

c. (100 × 20) × 5 = (____ × ____) × 20 d. 1 × ______ = 9134
e. (500 + 75) × 16 = ______ × 16 + 75 × ______
f. (______ – ______) × ______ = 708 × 25 – 55 × 25

4. find the following products using the box method.
a. 28 × 32 b. 46 × 78 c. 432 × 23 d. 372 × 35

5. Multiply the following by the double and half method.
a. 4 × 18 b. 5 × 36 c. 236 × 50 d. 1124 × 25
e. 16 × 17 f. 204 × 5 g. 1452 × 15 h. 25 × 112

6. Multiply the following by the lattice method.
a. 23 × 12 b. 39 × 36 c. 236 × 46 d. 1124 × 9
e. 16 × 18 f. 204 × 58 g. 1451× 29 h. 104 × 111

7. regroup to find the following products (by 10, 100 or 1000).
a. 275 × 4 × 25 b. 2 × 195 × 5 c. 2430 × 50 × 2

d. 400 × 25 × 4 e. 4365 × 20 × 5 f. 10 × 3364 × 10
g. 4368 × 500 × 2 h. 4 × 6666 × 25 i. 4010 × 50 × 2

8. Solve the following problems based on the given information.
26 × 32 = 832
a. 25 × 32 b. 27 × 32 c. 26 × 31 d. 26 × 29 e. 26 × 33

9. Solve the following word problems:
a. The price of a bicycle is `4,560. Find the cost of 425 such bicycles.

b. A dairy supplies 1250 litres of milk daily. How much milk does it supply in a leap
year?

c. A box contains 150 toys. 4500 boxes were brought to the market on a particular
day. Find the total number of toys brought to the market on that day.

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Mathematical Operations