Estimating Quotients

Front

What is estimating a quotient?

Back

Estimating a quotient means finding an approximate answer to a division problem without calculating the exact answer.

Front

How do you estimate the quotient of 1,175 ÷ 4?

Back

Round 1,175 to 1,200 and divide by 4. 1,200 ÷ 4 = 300.

Front

What is the estimated quotient of 637 ÷ 8?

Back

Round 637 to 640 and divide by 8. 640 ÷ 8 = 80.

Front

Estimate: 278 ÷ 7. What is the answer?

Back

Round 278 to 280 and divide by 7. 280 ÷ 7 = 40.

Front

What is the estimated quotient of 541 ÷ 9?

Back

Round 541 to 540 and divide by 9. 540 ÷ 9 = 60.

Front

In 7 months, Mrs. Khera ran 2,789 miles. Estimate how many miles she ran per month.

Back

Round 2,789 to 2,800 and divide by 7. 2,800 ÷ 7 = 400.

Front

What is rounding in the context of estimating quotients?

Back

Rounding is adjusting a number to the nearest ten, hundred, etc., to make calculations easier.

Front

Why is estimating quotients useful?

Back

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

Front

What is the difference between exact division and estimating a quotient?

Back

Exact division gives a precise answer, while estimating provides a close approximation.

Front

How can you check if your estimate is reasonable?

Back

You can check by comparing your estimate to the actual division result.