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Math Quiz Estimating Sums and Differences

Authored by Kris Orton

English, Mathematics

5th Grade

CCSS covered

Used 33+ times

Math Quiz Estimating Sums and Differences
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10 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Round each decimal to the nearest whole number. Then add or subtract.

$3.85 - $2.17

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Round each decimal to the nearest whole number. Then add or subtract.

52.85 - 9.09

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Round each decimal to the nearest whole number. Then add or subtract.

19.83 + 9.93

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Round each decimal to the nearest whole number. Then add or subtract.

3.872 + 2.409

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Round each decimal to the nearest whole number. Then add or subtract.

9.086 - 2.419

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

An airplane named Hawkeye flies 375.52 mph. An airplane named Foxbat flies 1,864.29 mph. About how much faster is the Foxbat than the Hawkeye? Round the decimals to the nearest whole number.

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Aluminum and tin are both metals. The standard atomic weight for aluminum is 26.98. The standard atomic weight for tin is 118.71. Estimate the difference between the standard atomic weights of these two metals by rounding them to the nearest whole number.

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