Adding and subtracting decimal numbers

During the first week of her vacation, Madison practices playing her flute 5.75 hours. In the following week, she spends 4.2 hours practicing the flute. What is the difference in the amount of time she spends practicing the flute during these weeks?

• 1.55 hrs
• 1.6 hrs
• 9.55 hrs
• 9.95 hrs

Tags

CCSS.5.NBT.B.7

Add or subtract the decimals to solve the problem. Annex a zero or zeros if needed:

6 + 5.2 = ________________

• 10.2

• 11.2

• 12.2

Tags

CCSS.5.NBT.B.7

6.98

-

.034

• 6.873

• 6.966

• 6.946

• 6.64

Tags

CCSS.5.NBT.B.7

Elisa bought a shirt for $16.77. If she pays with a $20 bill, how much change should she

receive? $_______

Tags

CCSS.5.NBT.B.7

503.2 - 421.0

• 73.1

• 34.0

• 82.2

• 52.3

Tags

CCSS.5.NBT.B.7

Calculate the sum of 6.4 and 1.75.

• 7.15

• 5.6

• 9.25

• 8.15

Tags

CCSS.5.NBT.B.7

Lana was trying to put some files on her flash drive.

If she had one file that was 8.12 mb and another file that was 1.4 mb what is their combined file size?

• 9.52

• 8.26

• 9.052

• 6.72

Tags

CCSS.5.NBT.B.7

Where would the decimal go in the whole number to add or subtract with decimals: 25

• .25

• 2.5

• 25.

Tags

CCSS.5.NBT.B.7

What is the result of adding 3.5 and 2.8?

• 5.3

• 1.3

• 4.6

• 6.3

Tags

CCSS.5.NBT.B.7

Determine the difference between 0.002 and 0.001.

• 0.0001

• 0.0002

• 0.0003

• 0.001

Tags

CCSS.5.NBT.B.7