Operations with Decimals

.26 x 8.1 

• .2106
• 21.06
• 2.106
• 8.36

−1.2 x −3.4

• −4.08

• −4.8

• 40.8

• 4.08

0.15 ÷ (-0.3)=

• -0.5

• 0.05

• -5

• 0.15

 $-43.7+9.06$  

• 52.76

• -34.64

• -52.76

• 34.64

 $(-8.6)(-0.07)$  

• 0.602

• -0.62

• 6.02

• -0.602

Sarah bought 2.5 meters of fabric to make a patchwork quilt. If the fabric was on sale for $6.20 per meter, how much did Sarah spend?

• $15.50
• $155
• $15.65
• $1.55

-4.7 + 18.5

• 23.2
• 13.8
• -13.8
• -23.2

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

When adding decimals with different signs you....

• subtract and take the sign of the larger number
• add the opposite
• add and keep the sign
• subtract and keep the sign

16 - (-9) 

• -7
• 11
• 15
• 25