# By D. Fisher. 1. a. What is 20% of 80? 4 b. Why is four wrong? %

## Presentation on theme: "By D. Fisher. 1. a. What is 20% of 80? 4 b. Why is four wrong? %"— Presentation transcript:

1 by D. Fisher

2 1. a. What is 20% of 80? 4 b. Why is four wrong? %

3 1. a. What is 20% of 80? 1600 c. Why is one thousand six hundred wrong? %

4 1. a. Find 20% of or d. Why is one fourth right? 80 x %

5 2. a. What is 35% of 20? 7.35 b. Why is seven and thirty-five hundredths wrong? %

6 2. a. What is 35% of 20? 700 c. Why is seven hundred wrong? %

7 2. a. Find 35% of or 7.00 d. Why is seven right? 20 x

8 3. a. There is a discount of 25% off on a \$60 pair of shoes. How much are the shoes? \$25 b. Why is twenty-five dollars wrong? %

9 3. a. There is a discount of 25% off on a \$60 pair of shoes. How much are the shoes? \$15 c. Why is fifteen dollars wrong? %

10 3. a. There is a discount of 25% off on a \$60 pair of shoes. How much are the shoes? \$45 d. Why is forty-five dollars correct? \$60 x \$15.00 \$ \$45

11 4. a. A shirt cost \$30 plus 7% tax. What is the total cost? \$37 b. Why is thirty-seven dollars wrong? %

12 4. a. A shirt cost \$30 plus 7% tax. What is the total cost? \$2.10 c. Why is two dollars and ten cents incorrect? %

13 4. a. A shirt cost \$30 plus 7% tax. What is the total cost? \$32.10 d. Why is thirty-two dollars and ten cents correct? \$30 x.07 \$2.10 \$ \$32.10

14 5. a. A \$300 bike is on sale. How much is the cost? \$275 b. Why is two hundred seventy-five dollars wrong? %

15 5. a. A \$300 bike is on sale. How much is the cost? \$75 c. Why is seventy-five dollars wrong? %

16 5. a. A \$300 bike is on sale. How much is the cost? \$225 d. Why is two hundred twenty-five dollars correct? \$300 x \$75.00 \$ \$225

17 Remember how to

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