Adding and Subtracting decimals

John has $9.82 in his wallet. He found $8.28 on the street. How much money does he have now?

• $18.1

• $181.0

• $18.01

• $18.010

Which decimal makes this equation true? 8.92 + _ = 14.56

• 7.54

• 6.54

• 5.64

• 4.64

Jason went to the grocery store and bought items worth $7.28, $25.22, and $13.46. Can you estimate the total amount he spent?

• 66

• 56

• 36

• 46

John has two bottles of liquid. One bottle weighs 87.28 grams and the other weighs 7.892 grams. If he rounds the weights to the nearest tenth, what would be the estimated total weight of the two bottles?

• 95.2

• 95.172

• 95.17

• 95.21

A rectangular football field is 28.12 yards long and 14.83 yards wide.

Round the length and width to the nearest whole number. Then estimate the perimeter of the football field. Write an equation to model your work.

• 2(28 + 14) = 84

  or

  28+28+ 14+ 14=84

• 2(29 + 15) = 88

  or

  29 +29 + 15+ 15=88

• 2(28 + 15) = 86

  or

  28+28+15+15=86

• 2(29 + 14) = 86

  or

  29 + 29 + 14 + 14=

Erica went shopping and bought a pair of designer shoes for $75.60 and a trendy scarf for $6.78. How much did she spend in total? If she paid with 5 crisp twenty-dollar bills, how much change did she receive?

• 19.82

• 17.62

• 16.62

• 15.82

John has $8.73 in his wallet. He found $3.47 on the street. How much money does he have now?

• $8.7

• $10.7

• $12.2

• $9.2

Tyson has 13.5 apples. he gave 2.8 apples to his friend. How many apples does he have now?

• 10.7

• 11.7

• 12.7

• 9.7

Tamara has $3.74 and Mary gives her $5.46. How much money does Tamara have now?

• 9.2

• 8.2

• 9.0

• 9.20

John has 434.98 dollars in his bank account. If he rounds this amount to the nearest hundred, how much will he have?

• 400

• 500

• 430

• 440