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: 36.9 ÷ 3

Back

12

Front

Estimate: 637.8 ÷ 8

Back

80

Front

Estimate: 721.35 ÷ 7

Back

100

Front

If Terry bicycled 64.8 miles in 7 hours, what is the estimated average miles per hour?

Back

9

Front

Estimate: 51.6 ÷ 8

Back

6

Front

How do you round 36.9 to a compatible number for division by 3?

Back

Round 36.9 to 36, which is compatible with 3.

Front

What is the process of estimating a quotient?

Back

1. Identify the numbers involved. 2. Round or adjust to compatible numbers. 3. Divide the compatible numbers.

Front

Why is estimating quotients useful?

Back

Estimating quotients helps to quickly assess the reasonableness of an answer and simplifies calculations.