Section A Section A Checkpoint

Problem 1

Select all representations of 0.631.

A
 Six hundred thirty-one hundredths
B
 

C
 (3×0.1)+(6×0.01)+(1×0.001)(3 \times 0.1) + (6 \times 0.01) +(1 \times 0.001)
D
 6311,000\frac{631}{1,000}

E
 Six hundred thirty-one thousandths
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Solution
B, D, E
Show Sample Response
Sample Response
B, D, E

Problem 2

Order the following decimals from least to greatest.

  • 0.439
  • 0.394
  • 0.441
  • 0.531
  • 0.342

Show Solution
Solution

0.342, 0.394, 0.439, 0.441, 0.531

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Sample Response

0.342, 0.394, 0.439, 0.441, 0.531

Problem 3

Answer the following questions about rounding 13.728. Explain or show your reasoning. Use the number line if it is helpful.

  1. What is 13.728 rounded to the nearest hundredth
  2. What is 13.728 rounded to the nearest tenth?
Number line. 11 evenly spaced tick marks.
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Solution
  1. 13.7. Sample response: It is between 13.7 and 13.8 and is closer to 13.7 than to 13.8.
  2. 13.73. Sample response: It is between 13.72 and 13.73 and is closer to 13.73 than to 13.72.
Show Sample Response
Sample Response
  1. 13.7. Sample response: It is between 13.7 and 13.8 and is closer to 13.7 than to 13.8.
  2. 13.73. Sample response: It is between 13.72 and 13.73 and is closer to 13.73 than to 13.72.