Review Adding and Subtracting Decimals

Alexis bought 2.85 pounds of grapes at Food Lion. Daneya bought 3.509 pounds of grapes at Wal-Mart. How many pounds of grapes did they buy altogether?

• 6.359 pounds

• 8 pounds

• 3.794 pounds

• 0.659 pounds

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CCSS.6.NS.B.3

What would be the best estimate for 4.2 + 6.963?

• 10

• 11

• 8

• 100

What would be the best estimate for 26.89 + 55.6

• 63

• 100

• 90

• 80

Justice wanted to buy a CD for $9.99 and a pair of jeans for $23.89. If she gives the cashier the $50 bill she earned from babysitting, about how much will she receive?

• $16

• $20

• $25

• $10

Timothy could buy a hotdog for $1.19, chips for $0.89, and a drink for $1.29 or he could get the combo meal for $3. Which one should he get and why?

• She should buy them separately because she could save $0.37.

• She should buy the combo because it would be easier to order.

• She should by the combo so that she can save $0.37.

• She should buy them separately so that she can save $3.37.

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CCSS.6.NS.B.3

Reese earned $4.25 on Monday and $3.90 on Tuesday.  Megan earned $6.89 on Monday and $3.20 on Tuesday.  About how much more did Megan earn than Reese?

• $2

• $8

• $10

• $18

Allyson earned $75.35 last week raking leaves. She earned $48.50 this week. How much more did Kam earn last week than this week?

• $123.85

• $33.25

• $26.85

• $130.00

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CCSS.6.NS.B.3

A vet measured the mass of two lizards.  The mass of the bearded dragon was 76.64 grams.  The mass of the gecko was 81.54.  Which is the best estimate of the difference in the masses of the lizards?

• 5 grams

• 10 grams

• 15 grams

• 20 grams

Oreos are on sale for $2.65. Bruce has a coupon for an additional $1.00 off of any Nabisco cookie (including Oreos). How much will Bruce pay for the Oreos?

• $2.65

• $2.55

• $1.00

• $1.65

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CCSS.6.NS.B.3

Natalie is mailing three packages. Two of the packages each weigh 3.25 pounds. The third package weighs 12.3 pounds. How much do all 3 packages weigh together?

• 18.8 pounds

• 6.5 pounds

• 15.55 pounds

• 18.55 pounds

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CCSS.6.NS.B.3