7th grade 3.1-3.3 Adding and Subtracting Rational Numbers

6  2/5 + 4  1/5 =

• 10  4/5
• 10  3/5
• 10  1/5
• 10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Marty made two types of cookies.  He used 2/3 cup of sugar for one recipe and 1/4 cup  of sugar for the other.  How much sugar did he use in all? 

• 5/12
• 3/7
• 11/12
• 1/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Pam walks 7/8 of a mile to school.  Paul walks 1/2 of a mile to school.  How much farther does Pam walk than Paul? 

• 3/8
• 4/5
• 1 3/8
• 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 5/8 − (− 7/8)

• 1  1/2
• 2  1/2
• -1  1/2
• -2  1/2

Tags

CCSS.7.NS.A.1C

−7.34 − (−5.51)

• 1.93
• -1.83
• -12.85
• 12.85

Tags

CCSS.7.NS.A.1C

6.59 + (−7.8) − (−2.41)

• 16.8
• 11.98
• -3.62
• 1.2

Tags

CCSS.7.NS.A.1D

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

Tags

CCSS.7.NS.A.1C

Rewrite the problem as addition.

-5.66 - (-4.1)

• 5.66 + (-4.1)

• -5.66 + 4.1

• -5.66 + (-4.1)

• -5.66 - 4.1

Tags

CCSS.7.NS.A.1C

-23.4 - 3.4= 

• -20
• 26.8
• -26.8
• 20

Tags

CCSS.7.NS.A.1C

1/4 - (3/10) = 

• 1/20
• -1/20
• 11/20
• -11/20

Tags

CCSS.7.NS.A.1C