It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

# Learning Gym: Intermediate Math: Adding and Subtracting Fractions

Intermediate Math: Adding and Subtracting Fractions

• Print this Unit

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