Adding and subtracting rational numbers

- 31 + - 7

• 24
• -24
• - 38
• 38

Tags

CCSS.7.NS.A.1C

Solve the problem.
27 + (-83)

• -56
• 110
• 56
• -110

Tags

CCSS.7.NS.A.1C

-7.8 + (-0.8)

• 8.6
• -8.6
• 7
• -7

Tags

CCSS.7.NS.A.1C

 5/8 − (− 7/8)

• 1  1/2
• 2  1/2
• -1  1/2
• -2  1/2

Tags

CCSS.7.NS.A.1C

Find the difference of 7/10 - 9/10

• 5
• -1/5
• -8/5
• 8/5

Tags

CCSS.7.NS.A.1C

-13 - (-4) = 

• -9
• -17
• 9
• -8

Tags

CCSS.7.NS.A.1C

 5/8 − (− 7/8)

• 1  1/2
• 2  1/2
• -1  1/2
• -2  1/2

Tags

CCSS.7.NS.A.1C

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

1/4 - 5/6

• 13/12
• - 13/12
• - 7/12
• 7/12

Tags

CCSS.7.NS.A.1C

When adding decimals with different signs you....

• subtract and take the sign of the larger number
• add the opposite
• add and keep the sign
• subtract and keep the sign

Tags

CCSS.7.NS.A.1C