Worksheet: Estimating Products: Multiplying by One-Digit Numbers

In this worksheet, we will practice estimating the products of one-digit numbers and two- or three-digit numbers by rounding to the nearest ten or hundred.

Q1:

We can estimate to check our work.

Estimate 83×4 by rounding 83 to the nearest ten.

Find the product.

Check that your answer is reasonable using your estimate.

Q2:

Look at how Olivia estimated the product by rounding the three-digit number to the nearest hundred.

Use her method to estimate 792×5.

Use her method to estimate 253×9.

Q3:

We can estimate to check our work.

Estimate 269×6 by rounding 269 to the nearest hundred.

Find the product.

Check that your answer is reasonable using your estimate.

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