adding and subtracting rational numbers

⁸/₁₅  +  (-⁶/₁₅)

• 14/15
• -2/15
• 2/15
• -14/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 ¼ − (-¾)= 

• -1/2
• 4/0
• 1
• None of the above

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

- 31 + - 7

• 24
• -24
• - 38
• 38

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

1/4 - 5/6

• 13/12
• - 13/12
• - 7/12
• 7/12

Tags

CCSS.7.NS.A.1C

• - 1  7/40
• 15/40
• - 1 10/40
• 17/40

Tags

CCSS.7.NS.A.1C

Subtract. 

• 11.25
• 10.85
• 10.95
• 12.25

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

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

Evaluate:  -19 -10

• 9
• -9
• -29
• 29

Tags

CCSS.5.NBT.B.7

Which property of addition says that you can add numbers in any order and get the same sum?

• The associative property
• The commutative property
• The distributive property
• The switcharoo property

Tags

CCSS.2.NBT.B.9