Estimating Products and Estimating Quotients

Front

What is estimating a product?

Back

Estimating a product means finding a close approximation of the result of multiplying two numbers without calculating the exact answer.

Tags

CCSS.4.NBT.B.5

Front

What is estimating a quotient?

Back

Estimating a quotient means finding a close approximation of the result of dividing one number by another without calculating the exact answer.

Tags

CCSS.5.NBT.B.7

Front

Estimate the quotient: 3,619 ÷ 6

Back

600

Tags

CCSS.4.NBT.B.6

Front

Estimate the quotient: 637 ÷ 8

Back

80

Tags

CCSS.4.NBT.B.6

Front

Estimate the product: 32 x 16

Back

600

Tags

CCSS.4.NBT.B.5

Front

Estimate the product: 4,555 x 3

Back

15,000

Tags

CCSS.4.NBT.B.5

Front

Estimate the product: 123 x 6

Back

600

Tags

CCSS.4.NBT.B.5

Front

What is the first step in estimating a product?

Back

Round each number to the nearest ten or hundred before multiplying.

Tags

CCSS.4.NBT.B.5

Front

What is the first step in estimating a quotient?

Back

Round the dividend and divisor to the nearest ten or hundred before dividing.

Tags

CCSS.5.NBT.B.7

Front

Why is estimating products and quotients useful?

Back

It helps to quickly assess the reasonableness of answers and make calculations easier.

Tags

CCSS.4.NBT.B.5