Multiplying and dividing decimal numbers

Approximately 51% of $119.99

• $60

• $30

• $12

• $100

Answer explanation

51% is close to 50%.
To take 50% you divide by 2.
$119.99 is close to $120 and
120/2 = 60.

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CCSS.5.NBT.B.7

Estimate.
32.79  $\div$  8.1

• 1

• 2

• 3

• 4

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CCSS.5.NBT.B.7

Sadie sells pianos for $815, and the sales tax rate is 15% of the sales price.  About how much is the sales tax on the piano?

• $122.25
• $830.00
• $937.25
• $692.75

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CCSS.5.NBT.B.7

• 1,100

• 100

• 1,000

• 10,000

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CCSS.5.NBT.B.7

Using compatible numbers, find the BEST estimate for 307 x 5.79.

• 1,000

• 1,500

• 1,800

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CCSS.5.NBT.B.7

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CCSS.5.NBT.B.7

Estimate the quotient of 1,001 and 5

• 200

• 20

• 100

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CCSS.5.NBT.B.7

Estimate the Quotient:

 $140\ \div\ 6.54$  

• about 28

• about 20

• about 14

• about 980

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CCSS.5.NBT.B.7

A bag of pretzels contains approximately 17½ ounces.  
One serving of pretzels is 1¼ ounces.  How many servings of pretzels are in the bag? 

• 7
• 14
• 16
• 22

Tags

CCSS.5.NBT.B.7

The Smith's wagon train was about 98.98 ft long. Each wagon was about 9.8 ft long. If the wagons traveled end to end, how many wagons were in the train?

• 10

• 10.1

• 11

• 100

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CCSS.5.NBT.B.7