Review - Models & Strategies to Add and Subtract Decimals

Two rock samples have masses of 56.24 grams and 8.98 grams. What is the estimated total mass if you round the decimals to the nearest tenth?

• 65.0

• 65.2

• 65.3

• 66.0

Tags

CCSS.5.NBT.A.4

Estimate the sum of $4.28, $21.35, and $14.65 by rounding each number to the nearest tenth.

• $40.30

• $41.00

• $38.00

• $40.40

Tags

CCSS.5.NBT.A.4

What is the sum? 5.92 + 3.48 = ______

• 8.30

• 9.30

• 9.38

• 9.40

Tags

CCSS.6.NS.B.3

Which decimal makes this equation true? 5.26 + _____ = 13.63

• 7.37

• 8.27

• 8.37

• 8.43

Tags

CCSS.6.NS.B.3

Owen spent $1.29 on a pen and $0.38 on an eraser at the school store. What was the total amount he spent?

Tags

CCSS.6.NS.B.3

8.73 + 3.47

• 9.2

• 12.2

• 10.7

• 8.7

Tags

CCSS.6.NS.B.3

13.5 - 2.8

• 9.2

• 12.2

• 10.7

• 8.7

Tags

CCSS.6.NS.B.3

3.74 + 5.46

• 9.2

• 12.2

• 10.7

• 8.7

Tags

CCSS.6.NS.B.3

14.2 - 5.5

• 9.2

• 12.2

• 10.7

• 8.7

Tags

CCSS.6.NS.B.3

Sophie put up three bookshelves in her room. The top shelf is 3.68 feet long, the middle shelf is 2.63 feet long, and the bottom shelf is 4.56 feet long. What is the combined length of the three bookshelves?

Tags

CCSS.6.NS.B.3