Add Sub Decimals

Jason is making a banner to support a local sports team.  He bought a paper that was 72.58 inches long.  He cuts 3.213 inches from the length.  How long is the banner after Jason cut it?

• 69.367

• 69.367 inches

• 69.357 inches

• 69.387 inches

5.26 + 9.75 =

• 151.1

• 1.511

• 15.11

• 14.11

What is the sum 0.04 and 9.9?

• 99.4

• 0.14

• 9.94

7.9 - 3.47 =

• 11.37

• 4.43

• 3.32

• 4.37

A baby sea turtle weights 1.2 ounces at birth. It gains 0.69 ounces in one week. What is the weight of the baby sea turtle at the end of the week?

• 0.51 ounces

• o.81 ounces

• 1.71 ounces

• 1.89 ounces

15.9 - 10.9 =

• 10.9

• 25.5

• 5.0

• 5.9

-1.85+2.64

• 4.49

• .79

• -4.49

• -.79

5.3-(-2.113)

• 7.413

• 3.187

• -3.187

• -7.413

-21.555+3.3

• -18.25

• 18.255

• -18.255

• 18.205

What is the first step when adding and subtracting decimals?

• Line up the numbers

• Line up the decimals

• Add or subtract like normal

• Add in placeholders