Two by One Number Addition and Subtraction

Which expression is represented by this model?

• -7 + 7

• -7 + 10

• -7 + 3

• -7 + 0

Tags

CCSS.7.NS.A.1B

Which expression has the sum of 0?

• 0 - 8

• 0 + -8

• -8 - 8

• 8 + (-8)

Tags

CCSS.7.NS.A.1B

-9 + (-5)

• -14

• 14

• -4

Tags

CCSS.7.NS.A.1C

28 + (-30)

• -2

• 2

• 58

• -58

Tags

CCSS.7.NS.A.1C

12 - (-3)

• 15

• 9

• -15

• 36

Tags

CCSS.7.NS.A.1C

Which of the following expressions has the greatest value?

• -7 + (-3)

• 11 − (-5)

• -9 + 5

• 12 − 6

Tags

CCSS.7.NS.A.3

Steps to change subtraction to addition include

• keep 1st number same

• keep 2nd number same

• change 1st to opposite sign

• change 2nd to opposite

• change subtraction sign to an addition sign

Tags

CCSS.7.NS.A.1C

The combining of two groups into one group is called

• diameter

• subtraction

• addition

• sdifference

Tags

CCSS.2.OA.A.1

The answer to an addition problem is called the

• difference

• quotient

• product

• sum

Tags

CCSS.2.OA.C.3

Taking a number away from a larger amount is called

• addition

• subtraction

• multiplication

• radius

Tags

CCSS.2.OA.A.1