Adding, Subtracting, Multiplying and Dividing Rational Numbers

⁸/₁₅  +  (-⁶/₁₅)

• 14/15
• -2/15
• 2/15
• -14/15

Tags

CCSS.7.NS.A.1C

-9+ -6.73

• 2.27

• -2.27

• 15.73

• -15.73

Tags

CCSS.7.NS.A.1C

Add. 
-0.94 + -1.65

• -2.59
• -0.71
• 2.59
• 0.71

Tags

CCSS.7.NS.A.1C

Simplify: (-8.6) + 7.2

• -14.9

• -1.4

• 1.4

• 14.9

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

When adding decimals with the same sign 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

2 - (-2) = 

• 0
• 4
• -4
• -2

Tags

CCSS.7.NS.A.1C

15 - 21

• 6
• 26
• -6
• -26

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

Find  -6.23 - 7.5

• 13.73
• 1.3
• -1.2
• -13.73

Tags

CCSS.7.NS.A.1C