Estimating Products/Quotients

Front

What is estimation in mathematics?

Back

Estimation is a method used to find an approximate value that is close to the actual value, often used when exact calculations are not necessary.

Front

How do you estimate a product?

Back

To estimate a product, round the numbers to the nearest ten or hundred and then multiply the rounded numbers.

Tags

CCSS.4.NBT.B.5

Front

How do you estimate a quotient?

Back

To estimate a quotient, round the dividend and divisor to the nearest ten or hundred and then divide the rounded numbers.

Tags

CCSS.5.NBT.B.7

Front

Estimate 963.5 divided by 28.9.

Back

Approximately 30.

Front

Estimate 162.3 divided by 8.4.

Back

Approximately 20.

Tags

CCSS.5.NBT.B.7

Front

Estimate 81.4 divided by 8.9.

Back

Approximately 9.

Tags

CCSS.5.NBT.B.7

Front

Estimate 58.2 x 33.9.

Back

Approximately 1,800.

Tags

CCSS.5.NBT.B.7

Front

Estimate 83.2 divided by 8.1.

Back

Approximately 10.

Tags

CCSS.5.NBT.B.7

Front

What is rounding in estimation?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest whole number or specified place value.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Why is estimation important in everyday life?

Back

Estimation helps in making quick decisions, budgeting, and checking the reasonableness of calculations.