# 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 .

Q2:

.

Q3:

Calculate .

Q4:

.

Q5:

.

Q6:

.

Q7:

Calculate .

Q8:

to the nearest whole number.

Q9:

Evaluate if .

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:

.

Q14:

Calculate .

Q15:

Complete the following table.

 3.01 × 2 3 12 … … …
• 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:

.

Q19:

.

Q20:

Complete the figure shown.

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

Q21:

.

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
• B 19.2, 4,800, 2,352
• C 19.2, 48, 2,352
• D 1,920, 4,800, 2,352

Q24:

Carry out the given calculation.

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: .