**
ADDING AND SUBTRACTING FRACTIONS LESSON PLAN**

**
Teaching Materials**

Lesson
Activity:

- Present concept of like fractions
- Compare like fractions to unlike fractions

- Discuss equivalent fractions
- look at examples
- use diagrams to illustrate concept
- ask class to think of like fractions for common relationships (1/2, 1/3, etcâ€¦)

- Discuss the Fundamental Property of Fractions
- practice converting fractions using the property

- Introduce addition of fractions
- Explain the need for a common denominator
- Add the numerators
- Work through examples with like fractions

- Discuss unlike fractions
- work through lots of examples converting to common denominator and adding numerators

- Discuss Least Common Denominator
- present 1st approach to finding the LCD (list for potential common denominators)
- present 2nd approach (prime factor approach)

- Work through fraction additions and express in lowest terms

**Assessment/Evaluation**

Have students complete the worksheet. A passing grade is 70% or greater.

**
Lesson Printable Materials -
Worksheets**

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