Worksheet: Multiplying Decimals by 10, 100, and 1000

In this worksheet, we will practice explaining how the value of each digit changes when a number is multiplied by 10, 100, or 1000.

Q1:

Fill in the blanks.

  • A47, 20.9, 47.29
  • B47, 209, 472
  • C470, 209, 472.9
  • D 4,700, 2,090, 4,729

Q2:

A woman saves 38.25 LE of her salary each month. How much has she saved from her salary in 100 months?

Q3:

Calculate 1 0 0 × 9 6 .

Q4:

Calculate 3 3 . 9 9 3 × 1 0 0 .

Q5:

Fill in the blanks.

  • A32, 30.9, 19.62
  • B32, 309, 196
  • C0.32, 0.309, 0.196
  • D320, 309, 196.2

Q6:

Calculate 2 6 . 1 5 4 × 1 , 0 0 0 .

Q7:

Complete 4 2 . 4 2 6 × 1 0 0 2 , 3 5 7 . 9 × 1 , 0 0 0 using < , = or > .

  • A >
  • B =
  • C <

Q8:

Calculate ( 8 4 . 8 2 3 × 1 0 0 ) ( 3 3 . 7 7 6 × 1 0 0 ) .

Q9:

Engy drives to work. Every day she drives 17.37 km. How far does she travel in 100 days?

Q10:

× 1 , 0 0 0 = 4 , 7 6 6 .

Q11:

The length of an insect is 0.44 centimeters. Find the sum of the lengths of 10 insects.

Q12:

Calculate ( 7 4 . 3 8 8 5 7 . 8 0 8 ) × 1 , 0 0 0 .

Q13:

Calculate ( 5 5 . 9 4 4 × 1 0 0 ) 3 . 0 4 6 .

Q14:

Calculate ( 7 4 . 1 1 2 1 1 . 4 4 8 ) × 1 0 0 .

Q15:

Calculate ( 8 7 . 8 3 1 × 1 , 0 0 0 ) 7 1 . 9 6 4 .

Q16:

Calculate ( 5 9 . 9 × 1 0 ) 3 2 . 4 .

Q17:

William bought 8 cans of juice costing 7.75 LE each. How much would the seller give back to William if William gave him 100 LE?

Q18:

( 8 2 . 0 2 3 6 . 4 3 ) × 1 0 = .

Q19:

7 7 . 4 9 × 1 0 to the nearest unit.

Q20:

Given that a cubic foot of natural gas produces BTU and that a company produced 8.36 million BTU burning natural gas, how many cubic feet of natural gas did they burn?

  • A cubic feet
  • B cubic feet
  • C cubic feet
  • D cubic feet
  • E cubic feet

Q21:

9 9 . 5 2 5 × 1 0 to the nearest tenth.

Q22:

Is it true that 1 . 2 2 3 1 × 1 0 0 = 1 2 2 . 3 1 ?

  • Ayes
  • Bno

Q23:

1 0 . 5 6 7 × 1 0 = .

  • A0.567
  • B20.567
  • C10.567
  • D105.67

Q24:

Complete: 3 × 2 0 0 = × 1 0 0 = .

  • A 4 × 1 0 0 = 4 0 0
  • B 5 × 1 0 0 = 5 0 0
  • C 3 × 1 0 0 = 3 0 0
  • D 6 × 1 0 0 = 6 0 0
  • E 8 × 1 0 0 = 8 0 0

Q25:

Fill in the blank: 1 0 0 × 5 = 3 0 0 + .

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