Review: Adding and Subtracting Fractions

Opening Estimations! How many tissues are in a package? How many tissues are in the box?

Objectives:

• I will review my understanding of adding and subtracting fractions.
• I will use benchmarks to order fractions.

Language objectives:

• I will compare fractions and operations using fractions with sentences.

October Process Words

• Evaluate
• Represent

Using Benchmarks, order fractions on a number line

Our unit will focus on dividing fractions, but I want to make sure that everyone has a good understanding of adding and subtracting fractions. A short pre-assessment will be given today to see where we are as a class on this topic.

Please complete for next class...

1. Compare ⅕ with ⅓. Which fraction is larger? Explain your answer.
2. Compare ⅖ with ⅓. Which fraction is larger? Explain your answer.
3. Will adding 4/7 and ⅜ result in a number that is closest to 0, 1 or 2? Explain your answer.
4. How does adding ⅔  to 1/10 compare with adding ⅜ to ⅘? Which set of fractions will produce a larger sum? Explain.
5. How does subtracting ⅓ from ⅖ compare with subtracting 1/10 from ⅖? Which set of fractions will produce a larger difference? Explain.