FAST Practice Quiz: Adding & Subtracting Decimals

Directions: Read each question carefully. For multiple choice questions, fill in the circle next to your answer. For questions that say "Select ALL that apply," you may need to choose more than one answer.

Question 1

What is 6.4 + 3.78?

A 9.82 B 10.18 C 4.14 D 10.82

Question 2

What is 12.5 - 7.83?

A 4.67 B 5.33 C 4.33 D 5.67

Question 3

Emma bought a sandwich for $5.75 and a drink for $2.40. How much did Emma spend in total?

A $7.15 B $8.15 C $3.35 D $7.95

Question 4

Select ALL that apply.

Which expressions have a sum or difference equal to 7.5?

4.3 + 3.2

10.25 - 2.75

5.8 + 1.7

15 - 7.5

9.25 - 1.25

Question 5

A rope is 15.6 meters long. Marcus cuts off 8.375 meters. How many meters of rope are left?

A 7.225 meters B 7.325 meters C 6.225 meters D 23.975 meters

Question 6

Lisa estimated that 8.7 - 3.2 is about 6. Which statement best explains if her estimate is reasonable?

A Yes, because 9 - 3 = 6 B No, because the exact answer is 5.5, which is close to 6 C Yes, because rounding 8.7 to 9 and 3.2 to 3 gives 9 - 3 = 6, and the exact answer 5.5 is close to 6 D No, because 8 - 3 = 5, not 6

Score

Questions 1-3, 5-6: 1 point each | Question 4: 1 point for all correct

_____ / 6

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FAST Practice Quiz: Adding & Subtracting Decimals

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