Lesson 7-3 Estimate Products

Front

What is estimation in multiplication?

Back

Estimation in multiplication is a method used to find an approximate product by rounding numbers to make calculations easier.

Front

How do you estimate the product of two numbers?

Back

To estimate the product, round each number to the nearest ten or hundred, then multiply the rounded numbers.

Front

Estimate the product 66 x 42 = ?

Back

2,800

Front

Estimate the product 29 x 32 = ?

Back

900

Front

Estimate the product 54 x 19 = ?

Back

1,000

Front

Estimate the product 88 x 51 = ?

Back

4,500

Front

Estimate the product 36 x 92 = ?

Back

3,600

Front

What is rounding?

Back

Rounding is the process of adjusting a number to the nearest specified value, such as the nearest ten or hundred.

Front

Why is estimation useful?

Back

Estimation is useful because it allows for quick calculations and helps to check the reasonableness of answers.

Front

What is the nearest ten to 66?

Back

70