Comparing fractions, it is just not the same as comparing whole numbers. The video starts with fractions with common denominators and moves on to comparing fractions that are not as obvious. Scholars learn two techniques, cross multiplying and converting to decimals to compare fractions, which are more complex. 

Concepts

comparing fractions, cross multiply, fraction comparisons, fractions, converting fractions to decimals, equivalent fractions

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Review benchmark fractions and ask the class to use them when comparing two other fractions
• Be careful when teaching the cross multiplying technique for comparisons to avoid confusion with operations of fractions

Classroom Considerations

• Expects people know how to convert fractions to decimals

• This video is hosted on YouTube

Pros

• Wraps up the presentation with a review
• Makes the connection of cross multiplication and finding fractions with common denominators

Cons

• None

Common Core

SL.3.2 SL.4.2 3.NF.A.3.d 4.NF.A.2 MP6 MP7