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In this worksheet you will learn to round numbers to the nearest ten to estimate the answer to a multiplication.
Example
Estimate the answer by rounding the numbers to the nearest 10 before multiplying.
| 78 x 43 |  |
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x |
|
= |
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Answer
| 78 x 43 | |
|
x |
|
= |
|
Remember, to work out 80 x 40, we work out 8 x 4 x 10 x 10 = 32 x 100 = 3200
