Unit 1 Adding & Subtracting Rational Numbers

-7.8 + (-0.8)

• 8.6
• -8.6
• 7
• -7

Tags

CCSS.7.NS.A.1C

 $-2\frac{1}{4}-8\frac{2}{5}$  

•  $-6\frac{3}{20}$ 

•  $-10\frac{13}{20}$  

•  $-10\frac{1}{3}$  

•  $-6\frac{1}{20}$  
  

Tags

CCSS.7.NS.A.1C

A recipe calls for  $\frac{1}{2}$  cup of sugar and  $\frac{1}{3}$  cup of cinnamon. What is the measure of the two ingredients combined?

•  $\frac{5}{6}$  cup

•  $\frac{2}{5}$  cup

•  $\frac{1}{6}$  cup

•  $\frac{1}{5}$  cup

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 A girl's hair is  $12\frac{3}{8}$  inches long. If she has  $2\frac{1}{2}$   inches cut off, how long will her hair be?

•  $10\frac{1}{4}$  inches

•  $10\frac{13}{16}$  inches

•  $9\frac{7}{8}$  inches

•  $10\frac{7}{8}$  inches

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

-23.4 - 3.4=

• -20.0

• 26.8

• -26.8

• 20.0

Tags

CCSS.7.NS.A.1C

-½ + ⅔

• 3/5
• 1/6
• 1
• 3/5

Tags

CCSS.7.NS.A.1C

-8⅚ + -2⅕

• -11 1/30
• 11 1/30
• -10 6/11
• 10 6/11

Tags

CCSS.7.NS.A.1C

What is the additive inverse of 8?

• 8
• 0
• -0
• -8

Tags

CCSS.7.NS.A.1B

What is the additive inverse of -5?

• -5
• 0
• 5
• -0

Tags

CCSS.7.NS.A.1B