Develop a strategy for adding and subtracting fractions with your classes. The video shows a procedure for adding and subtracting fractions by finding common denominators. Each example increases in difficulty.

Concepts

adding fractions, subtracting fractions, common denominators, fractions common denominators, least common denominator, least common multiple

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Additional Tags

math

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Instructional Ideas

• Ask learners to model each fraction of the expression with a visual before and after finding common denominators
• Make the video available for absent individuals or those needing extra practice

Classroom Considerations

• Pupils should already have experience finding equivalent fractions

• This video is hosted on YouTube

Pros

• Includes examples that require varying steps in finding a common denominator

Cons

• Does not include any visuals to reinforce the purpose of finding a common denominator

Common Core

5.NF.A.1