Adding Rational Numbers

When two numbers are positive, we

• add the numbers and keep them positive

• add the numbers and make them negative

• subtract the numbers and keep them positive

• subtract the numbers and make them negative

Tags

CCSS.3.NBT.A.2

When two numbers are negative, we

• add the numbers and make them positive

• add the numbers and keep them negative

• subtract the numbers and make them positive

• subtract the numbers and keep them negative

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

When one number is negative and the other is positive, we

• add the numbers and keep the sign of the larger number

• add the numbers and keep the sign of the smaller number

• subtract the numbers and keep the sign of the larger number

• subtract the numbers and keep the sign of the smaller number

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

102 + 44 =

• -146

• 146

• 58

• -58

Tags

CCSS.5.NBT.B.7

63 + 88 + 45 =

• 196

• -196

• 106

• -106

Tags

CCSS.5.NBT.B.7

-88 + -12

• -100

• 100

• 76

• -76

Tags

CCSS.6.NS.C.5

-19 + -42 + -3

• 20

• -20

• 64

• -64

Tags

CCSS.6.NS.C.5

-77 + 18

• -95

• 95

• -59

• 59

Tags

CCSS.5.NBT.B.7

97 + -55

• 42

• -42

• 152

• -152

Tags

CCSS.5.NBT.B.7

-88 + 12 + -7

• -83

• 83

• -107

• -69

Tags

CCSS.5.NBT.B.7