# Lesson Plan: Comparing Fractions

## Lesson Objectives:

- Compare fractions using various methods and representations
- Justify comparisons using symbols, words, objects, and pictorial models

## TEKS Standards

- 3.3(H) Compare fractions with same numerator or denominator

## Prerequisite Skills

- Understanding fractions
- Familiarity with equivalence
- Modeling fractions visually

## Key Vocabulary

- Comparing Fractions
- Ordering Fractions
- Benchmark Fraction

## Warm-up Activity (5 minutes)

Review the following terms using these video definitions:

- Comparing Fractions:
__https://www.media4math.com/library/74762/asset-preview__ - Ordering Fractions:
__https://www.media4math.com/library/74784/asset-preview__ - Benchmark Fraction:
__https://www.media4math.com/library/74760/asset-preview__

## Teach (15 minutes)

### Equivalent and Unit Fractions

Briefly review the concept of equivalent fractions and how to create equivalent fractions by multiplying or dividing the numerator and denominator by the same number.

Use this slideshow to review equivalent fractions.

__https://www.media4math.com/library/slideshow/equivalent-fractions__

Start by comparing unit fractions. Use this resource:

__https://www.media4math.com/library/43519/asset-preview__

**Methods for Comparing **

Introduce three methods for comparing fractions:

**Visual Models**: Show these examples of using number lines to compare fractions. Use this slideshow.

__https://www.media4math.com/library/slideshow/comparing-fractions-number-line-math-examples__**Benchmark Fractions**: Compare fractions to benchmark fractions like 1/2 or 1/4 to determine which is greater or less. Use this resource:__https://www.media4math.com/library/43534/asset-preview__**Common Denominators**: Find a common denominator for the fractions and compare their numerators.- Start by defining common denominators by using this video definition:
__https://www.media4math.com/library/74761/asset-preview__ - Generate equivalent fractions to find the common denominator. Use this resource to review this technique:
__https://www.media4math.com/library/slideshow/examples-generating-equivalent-fractions__

- Start by defining common denominators by using this video definition:

Use this resource to show different strategies for comparing fractions:

__https://www.media4math.com/library/64363/asset-preview__

**Review (5 minutes)**

Introduce this game to review comparing fractions:

__https://www.media4math.com/library/43544/asset-preview__

Use this Quizlet Flash Card set to review comparing and ordering fractions:

__https://www.media4math.com/library/26746/asset-preview__

**Assess (5 minutes)**

Use this 10-question quiz.

**Quiz**

- Which fraction is greater, 1/3 or 1/4?

- Compare 5/8 and 3/4 using a visual model.

- Use a benchmark fraction to determine which is greater, 7/10 or 3/5.

- Find a common denominator to compare 2/3 and 5/6.

- Which fraction is less, 1/2 or 3/4?

- Compare 7/9 and 5/9 by reasoning about their size.

- Use a visual model to compare 1/6 and 1/3.

- Find a common denominator to compare 3/8 and 5/12.

- Which fraction is greater, 2/5 or 1/3?

- Compare 7/13 and 6/17 using a benchmark fraction.

**Answer Key**

- 1/3
- 5/8 is less than 3/4
- 7/10 is greater than 3/5
- 8/12 and 10/12, so 5/6 is greater than 2/3
- 3/4
- 5/9 is less than 7/9
- 1/3 is greater than 1/6
- 9/24 and 10/24, so 5/12 is greater than 3/8
- 2/5
- 7/13 is greater than 6/17

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