Page 46 - Touchpad Mathematics_Ver1.0_C4

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\ 10-Nov-2025 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

Now, answer the following questions:

1. The weights of three children on the moon are given below. Find their

weights on Earth.
a. Amit: 6 kg b. Anju: 5 kg c. Kareem: 7 kg

6 × 6 = _____ kg 5 × 6 = _____ kg 7 × 6 = _____ kg

2. Find the number of days taken by the moon to go around Earth
a. 2 times. b. 4 times. c. 9 times.

28 × 2 = _____ days 28 × 4 = _____ days 28 × 9 = _____ days

3. How far (approximately) will the moon move away from Earth in

a. 15 years? b. 18 years? c. 22 years?
15 × 4 = _____ cm 18 × 4 = _____ cm 22 × 4 = _____ cm

4. The heights (approximately) jumped by three boys on Earth are given
below. Find the heights they can jump on the moon.

a. Krishna: 64 cm b. Girish: 75 cm c. Saket: 82 cm

64 × 6 = _____ cm 75 × 6 = _____ cm 82 × 6 = _____ cm

ProPErTiES oF MulTiPliCATion

1. Multiplicative property of 1 : When a number is 12 × 6 = 72
multiplied by 1, the product is the number itself.
Multiplicand Product
Examples: a. 6 × 1 = 6 b. 12 × 1 = 12 Multiplier

c. 246 × 1 = 246
2. Multiplicative property of 0: When a
number is multiplied by 0, the product is
always 0. Tips

Examples: a. 9 × 0 = 0 b. 24 × 0 = 0
c. 148 × 0 = 0 • The number that is multiplied is
called the multiplicand.
3. order Property: The product of two numbers • The number by which we multiply

does not change when we change the order is called the multiplier.
of the numbers. • The result of the multiplication is
Examples: a. 8 × 5 = 40 and 5 × 8 = 40 called the product.

same • The multiplicand and multiplier
b. 13 × 12 = 156 and 12 × 13 = 156 are commonly called the factors
of the product.
same

44 Mathematics 4