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.

  • A470, 209, 472.9
  • B47, 209, 472
  • C4,700, 2,090, 4,729
  • D47, 20.9, 47.29

Q2:

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

Q3:

Fill in the blanks.

  • A320, 309, 196.2
  • B32, 30.9, 19.62
  • C32, 309, 196
  • D0.32, 0.309, 0.196

Q4:

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

Q5:

×1,000=4,766.

Q6:

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

Q7:

Calculate (74.38857.808)×1,000.

Q8:

Calculate (87.831×1,000)71.964.

Q9:

Given that a cubic foot of natural gas produces 1,000 Btu and that a company produced 8.36 million Btu burning natural gas, how many cubic feet of natural gas did they burn?

Q10:

10.567×10=.

Q11:

Fill in the blanks.

  • A0.94, 23.1, 23.18
  • B94, 231, 231
  • C94, 23.1, 23.18
  • D0.94, 0.231, 0.231

Q12:

A Blu-ray disk costs $13.99. What would the price of 10 Blu-ray disks be?

Q13:

Jacob purchased 10 pencils that cost $1.68 each from a stationery store. How much did he spend on pencils?

Q14:

Complete 8.5×100.085×100 using <, = or >.

  • A=
  • B>
  • C<

Q15:

Complete 0.136×1001.36×100 using <, = or >.

  • A=
  • B>
  • C<

Q16:

Complete 5.328×1,0005,328÷100 using <, = or >.

  • A=
  • B>
  • C<

Q17:

Complete 5.91×10591÷100 using <, = or >.

  • A>
  • B=
  • C<

Q18:

Complete 5.046×1,0002.151×100 using <, = or >.

  • A<
  • B=
  • C>

Q19:

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.

Q20:

Complete the following table:

Number×10×100×1,000
12.24
  • A122.4,1,224,12,240
  • B1,224,12,240,122,400
  • C122.4,1,224,122,400
  • D122.4,12,240,122,400
  • E1.224,122.4,1,224

Q21:

The following method shows how to find 0.4×10 using a place value table.

Follow the same method to find 0.1×10.

Q22:

The following method shows how to find 2.3×10 using a place value table.

Follow the same method to find 3.2×10.

Q23:

Complete the following table:

Number×10×100×1,000
2.1
  • A21,210,2,100
  • B210,2,100,21,000
  • C21,2,100,21,000
  • D20,200,2,000
  • E21,210,21,000

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