Intermediate Math: Percents
Click on the document below to print out the tracking sheet you will use to guide you through the Percents unit.
Introduction
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| Concept/Skill | Sample | Learn Zillion | Khan Academy | Breakthrough to Math, Level 2, Book 5 | Foundations Mathematics | Number Power 2 | Breakthrough to Math, Workbook | WorkWise: Math at Work |
| Understanding Percents |
28% is 28 out of 100. |
6-8 | 168-169 | 98 |
Problem Solving
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| Concept/Skill | Sample | Learn Zillion | Khan Academy | Breakthrough to Math, Level 2, Book 5 | Foundations Mathematics | Number Power 2 | Breakthrough to Math, Workbook | WorkWise: Math at Work |
| Identifying Parts, Wholes, and Percents |
In the question, what is the part, the whole, and the percent? "$850 is what percent of 2,000?" Answer: Part = $850, Whole = 2,000, Percent = What we need to find. |
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41-42 | 170 | ||||
| Word Problems with Percents |
How much will it cost if a shirt is tagged at $33 but is 25% off? Answer: $24.75 |
19-24 | 175 | 107 | 50 | 57: Exercise 1 | ||
| Percent word problems: penguins | ||||||||
| Word Problems with Percent Change |
If a sofa was originally $1200 but it's marked at 30% off, how much will it cost? Answer: $840 |
Growing by percent | 52-65 | 176 | 114 | 47-49 | ||
| Percent word problem: magic club | ||||||||
| Percent word problem: tax and discount |
Calculations
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| Concept/Skill | Sample | Learn Zillion | Khan Academy |
Breakthrough to Math, Level 2, Book 5 |
Foundations Mathematics | Number Power 2 | Breakthrough to Math, Workbook | WorkWise: Math at Work |
| Finding Parts, Wholes, and Percents |
36 is what percent of 240? Answer: 15% |
25-40 | 177 |
104-105 110-111 |
41-46 | |||
| Percent word problem: 78 is 15% of what number? | ||||||||
| Very Large and Very Small Percents |
What is 0.3% of 500? Answer: 1.5 |
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What is 275% of 36? Answer: 99 |
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| Concept/Skill | Sample | Learn Zillion | Khan Academy |
Breakthrough to Math, Level 2, Book 5 |
Foundations Mathematics | Number Power 2 | Breakthrough to Math, Workbook | WorkWise: Math at Work |
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Conversions
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| Concept/Skill | Sample | Learn Zillion | Khan Academy | Breakthrough to Math, Level 2, Book 5 | Foundations Mathematics | Number Power 2 | Breakthrough to Math, Workbook | WorkWise: Math at Work |
| Changing Percents to Decimals | 8% = 0.08 | Converting percents to decimals: 59.2% | 13-15 (Only Exercise 3-A) | 171, Exercise 3 | 100 | 39 (1-10) | ||
| Converting percents to decimals: 113.9% | ||||||||
| Changing Percents to Fractions | 20% = 1/5 | Converting percents to decimals and fractions example | 9-10 | 171, Exercise 4 | 102 | 39 (11-20) | ||
| Changing Fractions to Percents | 1/5 = 20% | Fraction, decimal, and percent from a visual model | 11-12 | 101 | 38 | |||
| Percents from fraction models | ||||||||
| Changing Decimals to Percents | 0.08 = 8% | 16-18 | 99 | 40 | ||||
| Converting decimals to percents: 1.501 |
Problem Solving Post-Test
Click here to take the Percents Problem Solving Post-Test
Calculations Post-Test
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1. In the Breakthrough to Math, Level 2, Book 5, complete questions 1-12 of the Post-Test on page 65. You may not use a calculator for the this test. |
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2. Answers can be found on page 66. |
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| 3. A passing score is 10 out of 12. |