Adding and Subtracting Rational Numbers

numbers that are greater than zero and to the right of zero on the number line

• integers
• opposite numbers
• positive numbers
• negative numbers

Tags

CCSS.6.NS.C.5

numbers that are less than zero and located to the left of zero on the number line

• positive numbers
• negative numbers
• integers
• signed numbers

Tags

CCSS.6.NS.C.5

CCSS.6.NS.C.6

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number

• Add together and keep the sign

• Keep, change, switch

• Add the opposite

Tags

CCSS.7.NS.A.1C

−28+(−8)=

• 36
• −36
• −20
• 20

Tags

CCSS.5.NBT.B.7

What is the value of | –7 |?

• 7
• – | –7 |
• 14
• –7

Tags

CCSS.6.NS.C.7

CCSS.6.NS.C.8

34.5 + (-7)

• -41.5
• 41.5
• -27.5
• 27.5

Tags

CCSS.7.NS.A.1C

Rewrite the problem as addition.

-5.66 - (-4.1)

• 5.66 + (-4.1)

• -5.66 + 4.1

• -5.66 + (-4.1)

• -5.66 - 4.1

Tags

CCSS.5.NBT.B.7

Evaluate:  -19 -10

• 9
• -9
• -29
• 29

Tags

CCSS.5.NBT.B.7

65 - (-15)

• -80

• -50

• 50

• 80

Tags

CCSS.7.NS.A.1C

-13 - (-4) = 

• -9
• -17
• 9
• -8

Tags

CCSS.7.NS.A.1C