Adding, Subtracting and Multiplying Decimals

7.9 + 18.72

• 2662
• 26.62
• 1
• 25.62

Tags

CCSS.5.NBT.B.7

567.004 + 89.9

• Pickles
• 656904
• 656.904
• 6569.04

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

The Bell family traveled and drove 10.9 hours; then 8.6 hours; then 12.4 hours. What is the sum?

• 31.9 hours
• 30 hours
• 31 miles
• 31.8 hours

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

Paige was measuring how much taller she got over two years. In the first year she grew 4.62 cm. In the second year she grew 7.7 cm. How much taller did she get altogether?

• 12.3 cm
• 3.8 years
• 12.32 cm
• 12.32 years

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

What is the rule for adding decimals?

• Add first
• Line up the decimals first, then fill in with zeros.
• Move the decimal to the right the total amount of numbers after the decimal.
• Subtract

Tags

CCSS.5.NBT.B.7

Last week it rained 2.15 inches on Monday and 1.68 inches on Tuesday. What was the total amount of rainfall on both days? 

• 4.83
• 383
• 3.88
• 3.83

Tags

CCSS.5.NBT.B.7

When you add decimals, your total is always going to a larger number. 

• True
• False

Tags

CCSS.5.NBT.B.7

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

Tags

CCSS.5.NBT.B.7

What is the first step when multiplying decimals?

• Line up the numbers
• Line up the decimals
• Multiply like normal
• Move the decimal

Tags

CCSS.5.NBT.B.7

Once the numbers are lined up in a multiplication problem, how do I know where my decimal is placed in my answer?

• Bring the decimal straight down
• There is no decimal
• Count how many numbers are behind all decimals in the problem
• Move the decimal 2 spaces from the front

Tags

CCSS.5.NBT.A.2