Lesson Planning Form
Lesson Plan 10: Percent Concepts
|Objective: |Time |Examples/Materials |
|By the end of this lesson, students will be able ... |90 minutes |Guided Notes |
|Define a percent | |Drill/Kill Worksheets |
|Convert percents to fractions, decimals, and ratios | |Math Lab |
|Convert fractions, decimals, and ratios to percents | | |
|Activity: |Examples/Materials |
|Warm Up: | |
|Ask the students what a percent is and ask for an example | |
|Teaching the lesson: | |
|Concepts: |Use Guided Notes |
|Warm up Debrief | |
|- A percent is part of 100. |Drill/Kill Worksheets |
|Explain the definition, how to read, write, and convert percents, fractions, decimals, and ratios. | |
|Multiply by 100 to convert Decimals, Fractions, and Ratios to a Percent. | |
|Divided by 100 to convert Percents to Decimals, Fractions, and Ratios. | |
|Take two to three problems in each problem set of the guided notes to teach the processes. Write their solutions on | |
|the board. | |
|In Class Practice: |
|Direct students to the DRILL/KILL worksheets and the math lab. Help them with questions on the worksheets and getting to the websites for the Math Lab. |
|Closing - Follow-up Lessons/Activities: |
|Students need to do Skill 9 in the Top 50 Math Skills textbook or continue the lessons in Unit 1 especially lesson 7 of GEDillinois for homework. Have |
|students check, record, or submit their results. |
|Debriefing/Assessment |
|Give the students the answers to the Drill/Kill. Have students report their progress on the Drill/Kill. Work any problems of contention on the board. |
|Notes for next time: | |
|Accomplishments |Difficulties |
| | |
Name: Date:
GUIDED NOTES:
FRACTION, DECIMAL, RATIO, and PERCENT EQUIVALENTS
Recall that a percent is part of one hundred. Percents are usually written with the % symbol instead of as a ratio, fraction, or decimal number, but all of these expressions are equal.
In general,
• Convert percents to decimals, fractions, and ratios by ÷ of 100.
• Convert decimals, fractions, and ratios to percents by x of 100.
[pic]
Notes about percents:
[pic]To write a percent as a decimal, drop the % sign and move the decimal point two places to the left.
[pic]To write a per cent as a fraction, drop the % sign, write the per cent as the numerator with the denominator 100 and reduce the fraction.
[pic]When you convert your fractions to a ratio, be sure to make any whole or mixed numbers improper. Because a ratio is a comparison of two numbers, the ratio must have two numbers. So 4 is the ratio 4:1, and 3 2/3 is 11:3.
[pic]
Here is a table of equivalent conversions:
| |Percent |Fraction |Decimal |Ratio |
|Examples: |7% |7/100 |0.07 |7:100 |
| |24% |6/25 |0.24 |6:25 |
| |175% |1 3/4 |1.75 |7:4 |
| |800% |8 |8 |8:1 |
DRILL/KILL PRACTICE SET: Directions: For each of the problems below, fill in the missing values into the table for each number given. Then check your answers. Your answer will be a percent, a fraction, a decimal, and/or a ratio depending on the given value in each problem. If your answer is a percent, it must include the % symbol. Be sure to write your fractions in lowest terms and simply your ratios. See the examples in the chart for the fraction one and nine tenths and 20%.
| |Percent |Fraction |Decimal |Ratio |
|EXAMPLE 1 |190% |1 9/10 |1.9 |19:10 |
|EXAMPLE 2 |20% |20/100 = 1/5 |0.2 |1:5 |
| |50% | | | |
| | | |0.125 | |
| | |1/4 | | |
| | | |0.375 | |
| |40% | | | |
| | | | |1:3 |
| | | |4.1 | |
| | |1/6 | | |
| |75% | | | |
| | | | |7:8 |
| | |2/3 | | |
| | | | |7:10 |
| |Percent |Fraction |Decimal |Ratio |
| |500% | | | |
| | |5/6 | | |
| |100% | | | |
| |35% | | | |
| | | |0.1 | |
| | | |0.8 | |
| | |2 ½ | | |
| | | | |47:3 |
Check off the boxes to the left as you complete the assignment.
Activity 1: Lesson IntroductionTextbook Assignment
Unit 1 especially lesson 7 of GEDillinois at
Activity 2: Textbook Assignment
Do page(s) 30-31 in your textbook Instruction Skill#9 Top 50 Math Skills for GED Success.
Activity 3: Review of Percent Concepts lesson
Go to the internet. Type this website in the address bar: to take the lesson review. Use this class test code: EZKB8995. Record your score here: . If you score less than 80% on this quiz, take it again with quiz code: GVMN1151 Record your score here: .
[pic]
Activity 4: Math Activity on Percent Concepts
Sign on to the internet. Go to mc/1525.html
[pic]
Match the percents and fraction equivalents.
Print out your picture.
Check of the boxes to the left as you complete the assignment.
Activity 5: Math Lab on Percent Concepts
Percents Concepts Math Lab
Sign on to the internet. Go to .
Read the information and do the interactive practice. Record your score here:
Sign on to the internet. Go to .
Complete this interactive worksheet and check your answers as you solve each problem. Record your score here:
Once this assignment is complete, put this form and your attached print outs in the Math in box.
Activity 6: In the classroom, go to Basic Skills Interactive. Complete the Understand Percents and Percent Change lessons.
[pic]
DRILL/KILL – PRACTICE SET ANSWERS:
The answers would be provided to the students for self-check.
[pic]
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