Introduction to Decimals Exercises

Complete this assessment to practice your understanding of decimals and check your answers. If you need more practice, do Problem Sets 2 and 3.

Introduction to Decimals 1

Problem Set 1

For problems 1-3, use the number 2.947031586.

  1. What digit is in the ten-thousandths place?
  2. What digit is in the tenths place?
  3. What digit is in the hundred-millionths place?


For problems 4-6, write each word statement as a decimal.

  1. Eight and seventeen hundredths.
  2. Two hundred fifty three ten-thousandths.
  3. Twelve and sixty one hundred-millionths.


Problem Set 2

For problems 1-3, use the number 2.947031586.

  1. What digit is in the millionths place?
  2. What digit is in the hundred-thousandths place?
  3. What digit is in the hundredths place?


For problems 4-6, write each word statement as a decimal.

  1. One hundred sixteen and one tenth.
  2. Seven hundred five millionths.
  3. Three and twenty one hundred-thousandths.


Problem Set 3

For problems 1-3, use the number 2.947031586.

  1. What digit is in the thousandths place?
  2. What digit is in the ten-millionths place?
  3. What digit is in the billionths place?


For problems 4-6, write each word statement as a decimal.

  1. Seven hundred eighty two thousandths.
  2. Seventy five and eight billionths.
  3. Four thousand twenty three ten-millionths.

Source: Algebra2Go, https://www.saddleback.edu/faculty/Lperez/Algebra2Go/prealgebra/decimals/introDeci1.html
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