Topic 2.1 4th grade

What is the answer to an addition problem?

• sum

• difference

• algorithm

• variable

What is the answer to a subtraction problem?

• variable

• addend

• sum

• difference

What states the numbers can be added in any order and the sum remains the same?

• Identity Property of Addition

• Commutative Property of Addition

• Associative Property of Addition

• variable

Tags

CCSS.1.OA.B.3

What states the addends can be regrouped and the sum remains the same?

• Identity Property of Addition

• Commutative Property of Addition

• Associative Property of Addition

• invers operations

Tags

CCSS.1.OA.B.3

What states that the sum of any number and zero is that same number?

• Associative Property of Addition

• Commutative Property of Addition

• Identity Property of Addition

• variable

Tags

CCSS.1.OA.B.3

Write the number that makes the

number sentence true.

(3,200+ 45) + 10= __________+ ( 45 + 10)

Then write what property of addition the number

sentence shows: associative, communicative, or identity property.

Tags

CCSS.7.NS.A.1D

Jessie read 56 pages in her book on Monday and 89 pages on Tuesday. Jessie used compensation as shown below to find 56 + 89. What is the missing number?

56 + 89 = ___ + 90 = 145

• 54

• 55

• 60

• 85

Tags

CCSS.2.NBT.B.7

Joey used compensation to find 8,412 - 725. Which of the following compensation methods can be used to

find 8,412 - 720?

• Subtract 700, Subtract 30, Subtract 5

• Subtract 700, Subtract 20, Add 5

• Subtract 700, Subtract 30, Add 5

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

To subtract 125-78 using mental math, Hailey subtracted 125-80 and got 45. What should she do next?

• Subtract 2

• Add 2

• Subtract 5

• Add 5

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2