Rational Numbers-adding and subtracting

Which combination of fractions give you 34/7. Choose all that work.

• 2/7 18/7 16/7 0/7

• 2/7 18/7 8/7 6/7

• 4/7 12/7 16/7 2/7

• 12/7 16/7 12/7 6/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What does 0.46 + (-0.642) equal

• 0.182

• - 0.182

• 1.102

• -1.102

Tags

CCSS.7.NS.A.1C

What does -4/5 +3/20 equal

• - 13/20

• 7/25

• -1/5

• 13/20

Tags

CCSS.7.NS.A.1C

-7.8 + (-0.8)

• 8.6
• -8.6
• 7
• -7

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.5.NBT.B.7

-23.4 - 3.4= 

• -20
• 26.8
• -26.8
• 20

Tags

CCSS.7.NS.A.1C

 ¼ − (-¾)= 

• -1/2
• 4/0
• 1
• None of the above

Tags

CCSS.7.NS.A.1C

−28+(−8)=

• 36
• −36
• −20
• 20

Tags

CCSS.7.NS.A.1C

 A girl's hair is  $12\frac{3}{8}$  inches long. If she has  $2\frac{1}{4}$   inches cut off, how long will her hair be?

•  $10\frac{1}{8}$  inches

•  $10\frac{13}{16}$  inches

•  $9\frac{7}{8}$  inches

•  $10\frac{7}{8}$  inches

Tags

CCSS.7.NS.A.1C