Adding/Subtracting Rational Numbers

-14 + (-3)

• -17
• 11
• -11
• 17

Tags

CCSS.7.NS.A.1C

33 + (-38)

• -5
• 5
• 71
• -71

Tags

CCSS.7.NS.A.1C

A diver was 40 feet below the surface of the water. A fisherman was casting off a dock right above the diver that was 12 feet above the surface of the water. How far apart are the diver and the fisherman?

• 28 feet
• -28 feet
• 52 feet
• -52 feet

Tags

CCSS.7.NS.A.1C

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

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

-7.8 + (-0.8)

• 8.6
• -8.6
• 7
• -7

Tags

CCSS.7.NS.A.1C

⅗+(−⅕)=

• ⅖
• −⅖
• ⅘

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

6  3/4 -  -2  4/5=

• 9  11/20
• -9  11/20
• 4  11/20
• -4  11/20

Tags

CCSS.7.NS.A.1C

-2  1/4 - (-8  2/5)

• 6  3/20
• 7
• 10  3/9
• not listed

Tags

CCSS.7.NS.A.1C