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In this lesson, we will learn how to multiply decimals up to tenths, hundredths, and thousandths by whole numbers.

Q1:

Calculate 0 . 0 4 3 × 3 1 .

Q2:

6 × 0 . 4 = .

Q3:

Calculate 0 . 0 3 7 8 × 3 4 .

Q4:

4 × 0 . 5 = .

Q5:

9 . 4 × 7 = .

Q6:

2 . 5 8 × 4 = .

Q7:

Calculate 3 . 7 8 8 × 9 8 .

Q8:

4 . 2 4 6 9 × 1 , 0 0 0 ≈ to the nearest whole number.

Q9:

Evaluate 1 8 . 9 7 𝑎 if 𝑎 = 4 8 .

Q10:

Calculate the area of a rectangle whose side lengths are 16.26 cm and 14 cm.

Q11:

A rectangle has a length of 23.73 cm and a width of 10 cm. What is the area of the rectangle? Give your answer correct to the nearest square centimetre.

Q12:

The monthly salary of an employee is 825.59 LE. What is the total salary he earns in 7 years?

Q13:

7 . 6 × 2 = .

Q14:

Given that 1 2 7 × 6 9 = 8 7 6 3 , what is 1 . 2 7 × 6 9 ?

Q15:

Calculate 6 . 2 1 5 4 × 1 0 , 0 0 0 .

Q16:

Complete the following table.

Q17:

The price of a bar of chocolate is 7.50 LE. What is the cost of 5 bars of chocolate?

Q18:

A man bought 7 metric tons of iron for building a house. The iron cost 5.90 LE for one kilogram. How much did the man pay?

Q19:

4 × 0 . 7 = .

Q20:

1 × 0 . 2 5 = .

Q21:

Complete the figure shown.

Q22:

0 . 3 4 5 × 8 8 8 = .

Q23:

A pack of crackers costs $1.50.

How much will 45 packs of crackers cost?

Is this an estimate or an exact value?

Q24:

Q25:

Carry out the given calculation.

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