Lesson 5: Section 9.4 Subtracting Fractions with Models Grade 7 Mathematics Fractions Presented on: Wednesday February 25, 2010 Day 2 - Morning.

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Presentation transcript:

Lesson 5: Section 9.4 Subtracting Fractions with Models Grade 7 Mathematics Fractions Presented on: Wednesday February 25, 2010 Day 2 - Morning

Question One At a birthday party, Sandy ordered a chocolate cake and sliced it into 5 pieces. Beverley brought a lemon cake and sliced it into 10 pieces. Two pieces of chocolate cake and seven pieces of lemon cake were eaten. How much more lemon cake was eaten than chocolate cake?

FRACTION STRIPS ADDINGSUBTRACTING

Question 2 Greg was using a recipe that called for 3/4 cups. of sugar. Carly was using a recipe that called for 1/2 of a cup of sugar. How much more sugar did Greg use than Carly? Show your work.

Student Review Question Question: Richard was taking a trip. He started with his gas tank full. When he stopped for dinner, his tank gauge read full. How much gas had he used?

Challenge Questions

HOMEWORK Page 318 # 5, 6, 8abc, 9abc, 10, 15