Chapter 1 Review: Adding & Subtracting Rational Numbers

-9 + (-15) =

• 24

• -6

• 6

• -24

Tags

CCSS.7.NS.A.1C

-23 - (-15) =

• -38

• 38

• -8

• 8

Tags

CCSS.7.NS.A.1C

-11.3 + 6.9 = 

• 4.4

• -4.4

• 18.2

• -18.2

Tags

CCSS.7.NS.A.1C

 $-0.45\ +\ \left(-1.31\right)$  

•  $-1.76$  

•  $-1.04$  

•  $-0.96$  

•  $-1.06$  

Tags

CCSS.7.NS.A.1C

 $\frac{2}{3}\ +\ \left(-\frac{9}{10}\right)$  

•  $-\frac{7}{30}$  

•  $-\frac{7}{10}$  

•  $-\frac{1}{10}$  

•  $-\frac{9}{10}$  

Tags

CCSS.7.NS.A.1C

 $\frac{3}{4}-\frac{7}{8}$  

•  $-\frac{1}{8}$  

•  $\frac{1}{8}$  

•  $-\frac{1}{4}$  

•  $\frac{1}{4}$  

Tags

CCSS.7.NS.A.1C

 $\frac{1}{5}+\left(-\frac{3}{5}\right)$  

•  $\frac{2}{5}$ 

•  $-\frac{2}{5}$  
  

•  $\frac{3}{5}$  

• -1

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

Which number is least?

• 12.5
• -12.9
• 12 1/4
• -12.1

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

-5 - (- 3)

• -8
• 8
• -2
• 15

Tags

CCSS.7.NS.A.1C