Worksheet: Multiplying Decimals by Whole Numbers: 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 0.043×31.

Q2:

6×0.4=.

Q3:

Calculate 0.0378×34.

Q4:

4×0.5=.

Q5:

9.4×7=.

Q6:

2.58×4=.

Q7:

Calculate 3.788×98.

Q8:

4.2469×1,000 to the nearest whole number.

Q9:

Evaluate 18.97𝑎 if 𝑎=48.

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 centimeter.

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:

Calculate 3.004×10,000.

Q15:

Complete the following table.

×2312
3.01
  • A6.2, 9.3, 37.2
  • B6.002, 9.003, 36.012
  • C60.2, 90.3, 361.2
  • D6.02, 9.03, 36.12

Q16:

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

Q17:

A man bought 7 metric tons of iron for building a house. The iron cost 5.90 LE for 1 kilogram. How much did the man pay?

Q18:

4×0.7=.

Q19:

1×0.25=.

Q20:

Complete the figure shown.

  • A4,900, 1.47, 13,230
  • B49, 1.47, 13,230
  • C49, 0.0147, 13,230
  • D49, 0.0147, 132.3

Q21:

0.345×888=.

Q22:

A pack of crackers costs $1.50.

How much will 45 packs of crackers cost?

Is this an estimate or an exact value?

  • Aan estimate
  • Ban exact value

Q23:

Complete the figure shown.

  • A19.2, 48, 23.52
  • B19.2, 4,800, 2,352
  • C19.2, 48, 2,352
  • D1,920, 4,800, 2,352

Q24:

Carry out the given calculation. 92.3×4

Q25:

Find the distance Liam travels if he is moving at a rate of 55 mph for 3.5 h. Note that distance equals the rate multiplied by time: 𝑑=𝑟𝑡.

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