Decimals and Percents - Part Two

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Grade Level
Middle School
Subject
Mathematics
Length of Time
1 hour
Description

In this lesson, students will change percents into decimals.

Goals

Students will learn:
About decimals and percents.
How to change percents into decimals

Materials Needed

The worksheet I have included in this lesson
Pencils and erasers

Procedure

First, you will copy the worksheet so that each student will have one.

Then, you will explain to the students how to change percents into decimals.

To change percents into decimals, you remove the percent sign and move the decimal point two places to the left.

For example:

227% = 2.27 75% = .75

After that, you will pass out the worksheet so that students can work on them independently. Worksheet - Changing Percents into Decimals

Directions: Change the follow percents into decimals.

1. 45%

2. 66%

3. 2%

4. 35%

5. 98%

6. 75%

7. 40%

8. 80%

9. 99%

10. 65%

11. 2%

12. 89%

13. 03%

14. 67%

15. 233%

16. 568%

17. 52%

18. 55%

19. 685%

20. 234% Answer Sheet 1. 45% = .45

2. 66% = .66

3. 2% = .02

4. 35% = .35

5. 98% = .98

6. 75% = .75

7. 40% = .40

8. 80% = .80

9. 99% = .99

10. 65% = .65

11. 2% = .02

12. 89% = .89

13. 03% = .03

14. 67% = .67

15. 233% = 2.33

16. 568% = 5.68

17. 52% = .52

18. 55% = .55

19. 685% = 6.85

20. 234% = 2.34



Grading

Each problem is worth five points.

100 to 90 = A

89 to 80 = B

79 to 70 = C

69 to 60 = D

Below 60 = F



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