Estimating Quotients

Front

What is the process of estimating a quotient?

Back

Estimating a quotient involves rounding the numbers involved in the division to make the calculation simpler, then performing the division with the rounded numbers.

Front

What are compatible numbers in division?

Back

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

Front

Estimate the quotient of 559 divided by 6 using rounding.

Back

Round 559 to 560 and 6 to 6. The estimated quotient is 560 ÷ 6 = 93.33, which rounds to approximately 90.

Front

Estimate the quotient of 138 divided by 5 using compatible numbers.

Back

Round 138 to 140 and 5 remains 5. The estimated quotient is 140 ÷ 5 = 28.

Front

What is the estimated quotient of 620 divided by 7?

Back

Round 620 to 630 and 7 to 7. The estimated quotient is 630 ÷ 7 = 90.

Front

How do you estimate the quotient of 430 divided by 9?

Back

Round 430 to 450 and 9 to 9. The estimated quotient is 450 ÷ 9 = 50.

Front

What is the importance of estimating quotients in real-life applications?

Back

Estimating quotients helps in making quick calculations and decisions in everyday situations, such as budgeting, shopping, and time management.

Front

What is the estimated quotient of 279 divided by 4 using compatible numbers?

Back

Round 279 to 280 and 4 remains 4. The estimated quotient is 280 ÷ 4 = 70.

Front

What is the difference between exact division and estimating division?

Back

Exact division gives a precise answer, while estimating division provides a rough approximation that is easier to calculate.

Front

When should you use estimation in division?

Back

Estimation should be used when you need a quick answer or when the exact answer is not necessary.