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Decimals

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Sample exercises

Grades 3–6 · Decimals

Which value equals 0.60?

  1. 0.6
  2. 6.0
  3. 0.006
  4. 0.06
Answer and explanation

0.6

Six tenths is the same as sixty hundredths.

Grades 3–6 · Decimals

Write 7 tenths plus 4 hundredths as a decimal.

Answer and explanation

0.74

0.7 + 0.04 = 0.74.

Grades 3–6 · Decimals

Which is greatest: 0.8, 0.79, 0.805 or 0.08?

  1. 0.8
  2. 0.79
  3. 0.08
  4. 0.805
Answer and explanation

0.805

Write 0.800, 0.790, 0.805 and 0.080 to compare.

Grades 3–6 · Decimals

Calculate 1.2 − 0.35.

Answer and explanation

0.85

1.20 − 0.35 = 0.85.

Grades 3–6 · Decimals

Which interval contains 3.047?

  1. between 3.04 and 3.05
  2. between 3.4 and 3.5
  3. between 30 and 31
  4. between 3.00 and 3.01
Answer and explanation

between 3.04 and 3.05

3.040 < 3.047 < 3.050.

Grades 3–6 · Decimals

Explain why 0.4 is not smaller than 0.35 merely because it has fewer digits.

Answer and explanation

0.4 = 0.40, which is greater than 0.35. Decimal length alone does not determine size.

Credit a place-value or number-line justification.

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