In this lesson, we will learn how to estimate 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 Chloe 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:
Estimate 269×6 by rounding 269 to the nearest hundred.
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