Decimal Concepts

76,301.926       76,031.989 

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Which number is the greatest? 

• a. 84.62

•  b. 80.99  

• c. 84.38

• d. 80.83

Rainfall collected in a rain gauge was found to be 2.3 cm when rounded to the nearest tenth of a centimeter. Which of the following measurements could not have been the actual measurement of the rainfall.

• a. 2.251 cm

•  b. 2.349 cm 

• c. 2.352 cm 

• d. 2.295 cm

The value of the 5 in 24.653 is _______ the value of the 5 in 19.54. 

• a. 10 times 

• b. 1/10 

• c. 100 times 

• d. 1/100

Using the digits 7, 1, and 4 create the smallest number you can between 0 and 1.

• .417

• .47

• .147

• .714

Jen’s pedometer said she walked 2.549 miles. She rounded her distance to 3 miles. Her brother rounded her distance to 2.5 miles. Estimate how much they walked altogether? 

• 5.049

• 5.5

• 5.549

How would the decimal .08 be written as a fraction?

• 8/10

• 8/100

• 1/8

• 8/8

Convert the fraction 2/9 to a decimal.

• 0.2222222222.......

• 0.29

• 0.18

• 0.90

1/8 as a decimal: 

• .13

• .785

• .125

• .18

.375 is what as a fraction?

• 2/3

• 1/5

• 1/8

• 3/8