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Worksheet: Multiplying Decimals by 10, 100, or 1000

Q1:

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

Q2:

Calculate 1 0 0 × 9 6 .

Q3:

Fill in the blanks.

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

Q4:

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

Q5:

7 7 . 4 9 × 1 0 to the nearest unit.

Q6:

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

Q7:

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

Q8:

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

Q9:

Calculate ( 5 9 . 9 × 1 0 ) 3 2 . 4 .

Q10:

Fill in the blanks.

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

Q11:

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

Q12:

Calculate 3 3 . 9 9 3 × 1 0 0 .

Q13:

Fill in the blanks in the following: × 1 0 0 = × 1 0 0 0 = 8 0 0 0 .

  • A800, 80
  • B8, 80
  • C80, 800
  • D80, 8

Q14:

Given that one meter = 100 centimeters, how many centimeters are in 21 meters?

  • A 2 000
  • B210
  • C 2 200
  • D 2 100
  • E21

Q15:

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

Q16:

× 1 0 0 0 = 4 7 6 6 .

Q17:

Given that a cubic foot of natural gas produces 1 0 0 0 Btu and that a company produced 8.36 million Btu burning natural gas, how many cubic feet of natural gas did they burn?

  • A 6 8 9 0 cubic feet
  • B 7 3 6 0 cubic feet
  • C 9 8 2 0 cubic feet
  • D 8 3 6 0 cubic feet
  • E 8 5 6 0 cubic feet

Q18:

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

  • Ayes
  • Bno

Q19:

1 0 . 5 6 7 × 1 0 = .

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

Q20:

A bottle holds 100 grams of medicine. How many grams are there in 76 bottles?

Q21:

Complete:

  • 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

Q22:

Which of the choices is equal to 1 0 0 0 × 9 ?

  • A 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0
  • B 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0
  • C 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0
  • D 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0 + 1 0 0 0

Q23:

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?

Q24:

( 8 2 . 0 2 3 6 . 4 3 ) × 1 0 = .

Q25:

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