Estimating Quotients with Decimals

Front

What is estimating quotients with decimals?

Back

Estimating quotients with decimals involves using compatible numbers to simplify division problems, making it easier to find an approximate answer.

Front

What are compatible numbers?

Back

Compatible numbers are numbers that are easy to compute with mentally. They are often rounded or adjusted to make calculations simpler.

Front

Estimate 58.44 ÷ 7 using compatible numbers.

Back

8

Front

Estimate 637.8 ÷ 8 using compatible numbers.

Back

80

Front

Estimate 54.6 ÷ 11 using compatible numbers.

Back

5

Front

If Terry bicycled 64.8 miles in 7 hours, what is the best estimate of her average speed?

Back

9 miles per hour.

Front

Estimate 82.3 ÷ 21.8 using compatible numbers.

Back

4

Front

How do you round 58.44 to a compatible number for division by 7?

Back

Round 58.44 to 56.

Front

How do you round 637.8 to a compatible number for division by 8?

Back

Round 637.8 to 640.

Front

What is the purpose of estimating quotients?

Back

The purpose is to quickly find an approximate answer without performing exact calculations.