Quiz about Adding and Subtracting Decimals Review

Question 1

What would be the best estimate for 4.2 + 6.963?

Accepted Answer

11

Answer

10

Answer

8

Answer

100

Question 2

What would be the best estimate for 26.89 + 55.6

Accepted Answer

90

Answer

63

Answer

100

Answer

80

Question 3

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?

Accepted Answer

$16

Answer

$20

Answer

$25

Answer

$10

Question 4

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?

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 5

Skyler read 2.3 hours on Monday, 3.4 hours on Tuesday, and 1.8 hours on Wednesday this week. Last week he read 18 hours. About how much longer did he read last week than this week?

Accepted Answer

11 hours

Answer

25 hours

Answer

15 hours

Answer

8 hours

Question 6

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?

Accepted Answer

$2

Answer

$8

Answer

$10

Answer

$18

Question 7

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?

Accepted Answer

$26.85

Answer

$123.85

Answer

$33.25

Answer

$130.00

Question 8

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?

Accepted Answer

5 grams

Answer

10 grams

Answer

15 grams

Answer

20 grams

Question 9

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?

Accepted Answer

6.359 pounds

Answer

8 pounds

Answer

3.794 pounds

Answer

0.659 pounds

Question 10

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?

Accepted Answer

$1.65

Answer

$2.65

Answer

$2.55

Answer

$1.00

Question 11

A small cheese pizza costs $7.95. Each extra topping costs seventy-five cents. Joshua ordered a pizza with pepperoni and sausage. How much did he pay for the pizza?

Accepted Answer

$9.45

Answer

$7.95

Answer

$8.70

Answer

$7.20

Question 12

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?

Accepted Answer

18.8 pounds

Answer

6.5 pounds

Answer

15.55 pounds

Answer

18.55 pounds

Question 13

Karrie has $30.00 to buy shorts and a shirt during her trip to the Outer Banks. She buys a shirt for $14.99. What is the most she can spend on a pair of shorts?

Accepted Answer

$15.01

Answer

$30.00

Answer

$44.99

Answer

$14.99

Question 14

Noah bought a pencil for $.25 and a notebook for $2.16. How much did Dylan spend on both items?

Accepted Answer

$2.41

Answer

$4.66

Answer

$2.31

Answer

$1.9

Question 15

Vanessa and two friends ate at Cook Out. Each person ordered a burger ($2.50 each), fries ($1.19 each), and a drink ($0.99 each). They shared one order of onion rings ($0.95). Vanessa paid for everyone's food with a $20.00 bill. How much change did she receive?

Accepted Answer

$5.01

Answer

$4.97

Answer

$14.99

Answer

$5.03

Adding and Subtracting Decimals Review

15 questions

What would be the best estimate for 4.2 + 6.963?

What would be the best estimate for 26.89 + 55.6

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?

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?

Skyler read 2.3 hours on Monday, 3.4 hours on Tuesday, and 1.8 hours on Wednesday this week. Last week he read 18 hours. About how much longer did he read last week than this week?

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?

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?

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?

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?

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?

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