Skip to main content

Learning Gym: Intermediate Math: Adding and Subtracting Fractions

Take charge of your education!

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

   

 

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.

Add fractions by joining parts: Video

Adding Fractions with Like Denominators

142        
Extend understanding of addition and subtraction to include fractions: Video Subtracting Fractions with Like Denominators

Problem Solving

   

 

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

 

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)

Subtracting fractions word problem: piano

23-24   37   43: Exercise 4
Subtracting fractions word problem: tomatoes

Calculations

   

 

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
Adding Proper Fractions 4/7 + 11/14 = 1 5/14

Add fractions with like denominators: Video

Adding fractions with like Denominators

6-16

143-144

22 (#'s 1-2)

23 (#'s 5-6)

24 (#'s 9-11)

25

26 (#'s 1-6)

11-12  
Add fractions with like denominators: Video 2 Visually adding fractions with unlike denominators
Add fractions with like denominators: Additional Practice (click "Next" under the window for more practice problems) Adding fractions with unlike denominators
Adding fractions with unlike denominators using fraction bars: Video

Adding fractions with unlike denominators using area models: Video

Adding fractions with different denominators using fraction bars: Video

Adding Mixed numbers 1 1/2 + 6 5/6 = 8 1/2

Adding Mixed Numbers Using an Area Model: Video

Adding Mixed Numbers with Like Denominators

17-22 145

22 (#'s 3-4)

23 (#'s 7-8)

24 (# 12)

27 (#'s 7-8)

28

13  
Comparing Strategies to add mixed numbers: Video Adding Mixed Numbers with Unlike Denominators
Comparing Strategies to add mixed numbers: Additional Practice (click "Next" under the window for more practice problems)

Adding Mixed numbers with Regrouping

 

Subtracting Proper Fractions 11/12 - 3/4 = 1/6

Subtract fractions with like denominators: Video

Subtracting Fractions with like Denominators

25-29 146

31 (#'s 1-2)

32 (#'s 1-2)

14-15  
Subtract fractions with unlike denominators by using area models: Video Subtracting Factions with unlike Denominators
Subtract fractions with unlike denominators using area models: Additional practice (click "Next" under the window for more practice problems) Visually Subtracting Fractions with unlike Denominators
Subtracting Mixed Numbers 9 1/2 - 4 3/8 = 5 1/8

Subtracting mixed numbers: Video

Subtracting Mixed Numbers with like Denominators

30-44 148

31 (#'s 3-4)

32 (#'s 3-4)

33-36

16-19  
Subtracting mixed numbers: Additional Practice (click "Next" under the window for more practice problems) Subtracting Mixed Numbers with regrouping (unlike denominators)

Subtract mixed numbers: regrouping: Video

Subtracting Mixed Numbers: 7 6/9 - 3 2/5
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
   

 

 

 

Problem Solving Post-Test 

Click here to take the Adding and Subtracting Problem Solving Post-Test

Calculations Post-Test  

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.

2. Answers can be found on page 46.

3. A passing score is 12 out of 14.

 

Loading ...