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

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Lessons for Grade 4

Common Core For Grade 4

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.

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.

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

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.