Intermediate Math: Adding and Subtracting Fractions
Click on the document below to print out a tracking sheet that will get you started on the Adding and Subtracting Fractions Unit.
Introduction
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| Concept/Skill | Sample | Learn Zillion | Khan Academy | Breakthrough to Math, Level 2, Book 2 | Foundations Mathematics | Number Power 2 | Breakthrough to Math, Workbook | WorkWise: Math at Work |
| What does it mean to add and subtract fractions? | 5/12 - 3/12 = 2/12 means that something is broken up into 12 parts. You start out with 5 and when you take 3 away you are left with only two parts out of twelve. | 142 | ||||||
| Extend understanding of addition and subtraction to include fractions: Video | Subtracting Fractions with Like Denominators |
Problem Solving
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| Concept/Skill | Sample | Learn Zillion | Khan Academy | Breakthrough to Math, Level 2, Book 2 | Foundations Mathematics | Number Power 2 | Breakthrough to Math, Workbook | WorkWise: Math at Work |
| Addition Word Problems with Fractions | A recipe asks for 3/4 cup of chopped tomatoes and 3/8 cup of diced tomatoes. How much tomatoes are in the recipe all together? | Insect Olympics Video, Instructions, and Answers (Click 'Next' at the bottom after each part) |
Adding fractions word problem: Paint
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23-24 | 30 | |||
| Adding fractions word problem: lizard | ||||||||
| Subtraction Word Problems with Fractions | If you have 3/4 of a pizza and your friend eats 3/8, how much pizza is left? | Insect Olympics Video, Instructions, and Answers (Click 'Next' at the bottom after each part) | 23-24 | 37 | 43: Exercise 4 | |||
| Subtracting fractions word problem: tomatoes |
Calculations
Problem Solving Post-Test
Click here to take the Adding and Subtracting Problem Solving Post-Test
Calculations Post-Test
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1. In the Breakthrough to Math, Level 2, Book 2, complete the Post-Test on page 45. You may NOT use a calculator for this post-test. |
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2. Answers can be found on page 46. |
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| 3. A passing score is 12 out of 14. |