Estimate Sums

Estimate Sums

Assessment

Flashcard

Mathematics

3rd - 4th Grade

Hard

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16 questions

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1.

FLASHCARD QUESTION

Front

What is estimating sums?

Back

Estimating sums means finding a close value to the actual sum by rounding numbers before adding them.

2.

FLASHCARD QUESTION

Front

How do you round a number to the nearest ten?

Back

Look at the digit in the ones place. If it's 5 or more, round up. If it's 4 or less, round down.

3.

FLASHCARD QUESTION

Front

Round 123 to the nearest ten.

Back

120

4.

FLASHCARD QUESTION

Front

Round 12 to the nearest ten.

Back

10

5.

FLASHCARD QUESTION

Front

What is the estimated sum of 123 and 12 when rounded to the nearest ten?

Back

130

6.

FLASHCARD QUESTION

Front

What is 138 rounded to the nearest ten?

Back

140

7.

FLASHCARD QUESTION

Front

Round 31 to the nearest ten.

Back

30

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