MATH Topic 2 Vocabulary

Which Property of Addition states that you can change the order of the addends without changing the sum?

For example, 15+27=27+15

• Identity

• Associative

• Commutative

• Compensation

Tags

CCSS.1.OA.B.3

Which Property of Addition states that you can group addends to find a sum?

For example, 27+(45+5)=(27+45)+5

• Identity

• Associative

• Commutative

• Algorithm

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.9

Which Property of Addition states that adding zero doesn't change a sum?

For example, 711+0=711

• Identity

• Associative

• Commutative

• Count Down

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.9

This is a mental math strategy in which you figure out how much it takes to go from a smaller number to a larger number.

• Count Up

• Count Down

• Compensation

• Distribution

Tags

CCSS.3.NBT.A.2

This is a mental math strategy in which you figure out how much it takes to go from a larger number to a smaller number.

• Count Up

• Count Down

• Compensation

• Equivalent

Tags

CCSS.3.NBT.A.2

This is a mental math strategy in which you add the same amount to both numbers in a subtraction problem.

• Count Up

• Count Down

• Compensation

• Equation

Tags

CCSS.5.NBT.B.7

A symbol or letter that stands for a number is a/an ---.

• equation

• variable

• algorithm

• inverse operation

Tags

CCSS.3.OA.A.3

CCSS.3.OA.A.4

CCSS.3.OA.D.8

A set of steps used to solve a math problem is a/an ---.

• equivalent

• variable

• algorithm

• property of addition

Tags

CCSS.3.NBT.A.2

Operations that undo each other are ---.

• addend operations

• operations with variables

• algorithms

• inverse operations

Tags

CCSS.3.OA.C.7

This mental math strategy breaks one addend apart and adds each part to the other addend to find the sum.

For example, 652+437 could be added like this: 652+7, then 659+30,

then 689+400 = 1089.

• algorithm

• add on

• count down

• properties of addition

Tags

CCSS.3.NBT.A.2