Chapter 3 Check your Progress Sadlier math 3rd grade

Estimate by rounding to the nearest ten

36-19=

• 30

• 20

• 40

Tags

CCSS.3.NBT.A.1

Estimate by rounding to the nearest ten-

563-488=

• 70

• 50

• 60

• 75

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

Estimate by rounding to the nearest HUNDRED

915

-683

• 300

• 200

• 400

Tags

CCSS.3.NBT.A.1

Estimate by rounding to the nearest HUNDRED

961

-293

• 700

• 600

• 500

Tags

CCSS.3.NBT.A.1

Estimate by using FRONT END Estimation:

851

-565

• 800

• 200

• 300

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

Select the equation that can be used to check the answer to each problem:

724-129=

• ? - 129=724

• 129-? =724

• 724+ ?=129

• 129 + ? = 724

Tags

CCSS.3.NBT.A.2

Select the equation that can be used to solve the answer to each problem:

931

-317=?

• ?-317=931

• 931+ ?= 317

• 317+?= 931

• 317-?+931

Tags

CCSS.3.NBT.A.2