Ch 3 Review 179-180

The answer to a subtraction problem is called the ____.

• estimate

• difference

• inverse operations

Tags

CCSS.3.NBT.A.2

When I ____, I take away the lesser number from the greater number.

• difference

• subtract

• inverse operations

Tags

CCSS.4.NBT.B.4

CCSS.4.OA.A.3

I can ______ to trade equal amounts when renaming a number.

• estimate

• difference

• regroup

Tags

CCSS.3.NBT.A.2

When I do not need an exact answer, I can _____ to find one that is close.

• regroup

• subtraction sentence

• estimate

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

A number sentence in which one quantity is taken away from another quantity is a ________________.

• subtraction sentence

• regroup

• inverse operations

Tags

CCSS.K.OA.A.1

CCSS.K.OA.A.2

CCSS.K.OA.A.5

Two operations that can undo each other, as in addition and subtraction, are called ______________.

• subtraction sentence

• regroup

• inverse operations

Tags

CCSS.7.NS.A.1

Subtract.

884 - 51

Tags

CCSS.3.NBT.A.2

Subtract.

283 - 171

Tags

CCSS.3.NBT.A.2

Subtract.

724 - 616

Tags

CCSS.3.NBT.A.2

Estimate. Round each number to the indicated place value.

765 - 121; tens

Tags

CCSS.3.NBT.A.1