Add/Subtract Decimals
Word Problems
Mental Math/Estimations
Models
100

3.76 + 7.24 - 1.7

9.3

100

You go to a restaurant for lunch. You buy 6 chicken nuggets for $4.89, a fruit bowl for $4.15, and an iced tea for $1.96. What is the total cost of your lunch?

$35.45

100

You are driving 7.4 miles to a baseball game. After you drive 1.6 miles, you stop for gas. About how many more miles do you have to drive? Round to the nearest whole number

about 5 miles

100

pg.91 # 8

3.54 + 1.63 = 5.17

200

4 - 1.3 + 4.56

7.26

200

You buy a ticket to a baseball game for $25.75 and spend $15.43 on souvenirs. You have $23.68 left. How much money did you have to start?

$ 64.86

200

Use mental math to add

45.15 + 6.51 + 14.85

66.51

200

pg. 94 #7

3.4 - 1.5 = 1.9

300

(22.37 - 8 + 3.9) + 3.4 

21.67

300

You buy cereal for $4.49 and milk for $2.34. You give the cashier two $5 bills. How much change do you receive?

$ 3.17

300

Use mental math to subtract

11.5 – 9.7

1.8

300

pg. 109 #10

7,2,0