Estimating Quotients Using Compatible Numbers

Front

What is estimating quotients using compatible numbers?

Back

Estimating quotients using compatible numbers involves rounding numbers to the nearest value that makes division easier, allowing for quick mental calculations.

Front

What are compatible numbers?

Back

Compatible numbers are numbers that are easy to compute with mentally, often rounded to make calculations simpler.

Front

Estimate the quotient using compatible numbers: 1,763 ÷ 57

Back

30

Front

Estimate the quotient using compatible numbers: 3,129 ÷ 42

Back

80

Front

Estimate the quotient using compatible numbers: 2,460 ÷ 81

Back

30

Front

Estimate the quotient using compatible numbers: 5,355 ÷ 88

Back

60

Front

Estimate the quotient using compatible numbers: 6,204 ÷ 67

Back

90

Front

How do you choose compatible numbers for division?

Back

Choose numbers that are close to the original numbers but easier to divide, often by rounding to the nearest ten or hundred.

Front

Why is estimating quotients useful?

Back

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

Front

What is the estimated quotient of 1,800 ÷ 60?

Back

30