Worksheet: Multiplying Decimals by Whole Numbers Using the Column Method

In this worksheet, we will practice recording multiplication of a decimal with a whole number in columns and correctly place the decimal point in the answer.

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 3 . 0 0 4 × 1 0 0 0 0 .

Q16:

Complete the following table.

× 2 3 12
3.01
  • A6.002, 9.003, 36.012
  • B6.2, 9.3, 37.2
  • C60.2, 90.3, 361.2
  • D6.02, 9.03, 36.12

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.

  • A 49, 1.47, 13,230
  • B 4,900, 1.47, 13,230
  • C 49, 0.0147, 13,230
  • D49, 0.0147, 132.3

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?

  • Aan exact value
  • Ban estimate

Q24:

Complete the figure shown.

  • A 19.2, 4,800, 2,352
  • B 1,920, 4,800, 2,352
  • C 19.2, 48, 2,352
  • D19.2, 48, 23.52

Q25:

Carry out the given calculation. 9 2 . 3 × 4

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