Estimating Products Worksheet

Estimating Products

Read each question carefully and follow the instructions. Remember to estimate by rounding numbers to the nearest ten or hundred before multiplying.

Round the numbers to the nearest ten and then estimate the product.

1. 19 x 3 ≈   x   =  

2. 22 x 4 ≈   x   =  

3. 37 x 2 ≈   x   =  

4. 48 x 5 ≈   x   =  

Choose the best estimate for each product.

5. Estimate 28 x 6.

6. Estimate 51 x 9.

Solve the following word problems by estimating the product.

7. A baker makes 34 cookies every hour. About how many cookies does he make in 7 hours?

8. There are 4 baskets, and each basket has 18 apples. About how many apples are there in total?

Tell if the estimated product is true or false.

9. The estimated product of 11 x 8 is 80.

10. The estimated product of 67 x 3 is 210.

Use the number line to help you round the first factor to the nearest ten, then estimate the product.

11. 17 x 4

Rounded first factor:   Estimated product:  

12. 32 x 5

Rounded first factor:   Estimated product: