adding/Subtracting rational numbers

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.1.OA.B.3

At 2pm, the temperature was 15 degrees. By midnight, the temperature dropped by 30 degrees. What is the temperature at midnight?

• 45 degrees
• -45 degrees
• 15 degrees
• -15 degrees

Tags

CCSS.7.NS.A.1C

33 + (-38)

• -5
• 5
• 71
• -71

Tags

CCSS.7.NS.A.1C

-14 + (-3)

• -17
• 11
• -11
• 17

Tags

CCSS.7.NS.A.1C

-7.8 + (-0.8)

• 8.6
• -8.6
• 7
• -7

Tags

CCSS.7.NS.A.1C

-1 1/4  + -2 1/2 =  

• - 3 3/4
• - 3 1/4
• -2 3/4
• -3 1/2

Tags

CCSS.7.NS.A.1C

Which expression is equivalent to:

-7 - 8

• -8 + 7

• -7 + 8

• -8 - (-7)

• -7 + (-8)

• -7 - (-8)

Tags

CCSS.7.NS.A.1B

Find an equivalent expression for:

-4 - (-2)

• -4 + 2

• -4 - 2

• 4 + 2

• 4 - 2

• -4 + (-2)

Tags

CCSS.7.NS.A.1B

Which equation describes the picture?

• (-4) + (-6) = (-10)

• (-4) + 0 = (-10)

• 0 - (4) = (-10)

• 0 - (-4) = (-10)

• -4 - 6 = 10

Tags

CCSS.7.NS.A.1B

Select all of the following that show the correct equation for the picture given.

• 0 - 9 - 2 = -11

• (-9) + (-2) = (-11)

• 0 - (-9) - (-2) = (-11)

• (-9) + 2 = (-11)

• 0 + 9 + 2 = 11

Tags

CCSS.7.NS.A.1B