Lesson: Estimating Products: Multiplying by One-Digit Numbers Mathematics • 4th Grade

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.

Sample Question Videos

02:57
05:26
04:01

Lesson Worksheet

Q1:

We can estimate to check our work.

Estimate 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 .

Q3:

We can estimate to check our work.

Estimate by rounding 269 to the nearest hundred.

Find the product.

Check that your answer is reasonable using your estimate.