Decompose Fractions using Tape Diagrams

Videos to help Grade 4 students learn how to decompose fractions as a sum of unit fractions using tape diagrams.

Common Core Standards: 4.NF.3b, 4.NF.4a, 4.NF.3a

New York State common Core Grade 4 Module 5, Lesson 2

Lesson 2 Concept Development

Problem 1: Use a number bond to show how 1 can be decomposed into fourths and how fourths can be composed to make 1.
Problem 2: Fold a piece of paper to create eighths. Decompose fractions of the whole in different ways.
Problem 3: Write number sentences to decompose as a sum of unit fractions.
Lesson 2 Problem Set Question 1

Decompose fractions as a sum of unit fractions using tape diagrams.
Step 1: Draw and shade a tape diagram of the given fraction.
Step 2: Record the decomposition as a sum of unit fractions.
Step 3: Record the decomposition of the fraction two more ways.

Lesson 2 Problem Set Question 2

2. Step 1: Draw and shade a tape diagram of the given fraction.
Step 2: Record the decomposition of the fraction in three different ways using number sentences.
a. 7/8
Lesson 2 Homework

1. Step 1: Draw and shade a tape diagram of the given fraction.
Step 2: Record the decomposition as a sum of unit fractions.
Step 3: Record the decomposition of the fraction two more ways.
2. Step 1: Draw and shade a tape diagram of the given fraction.
Step 2: Record the decomposition of the fraction in three different ways using number sentences.

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