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Do Now 3/11/11 Take out HW from last night. Take out HW from last night. Brain Game p. 224. Brain Game p. 224. Copy HW in your planner. Copy HW in your.

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Presentation on theme: "Do Now 3/11/11 Take out HW from last night. Take out HW from last night. Brain Game p. 224. Brain Game p. 224. Copy HW in your planner. Copy HW in your."— Presentation transcript:

1 Do Now 3/11/11 Take out HW from last night. Take out HW from last night. Brain Game p. 224. Brain Game p. 224. Copy HW in your planner. Copy HW in your planner. Text page 240, #8-20 all Text page 240, #8-20 all Did you hand in the POTW #7? Did you hand in the POTW #7?

2 Homework Brain game p. 224 4/15, 73/200, 11/30, 5/12, 19/40, 17/25, 87/100, 7/8 4/15, 73/200, 11/30, 5/12, 19/40, 17/25, 87/100, 7/8 CHARCOAL CHARCOAL Text p. 224

3 Objective SWBAT multiply fractions and mixed numbers. SWBAT multiply fractions and mixed numbers.

4 Section 5.4, “Multiplying Fractions” Multiplying Fractions To multiply fractions: 1. Rewrite fractions as improper fractions (when necessary) 1. Rewrite fractions as improper fractions (when necessary) 2. Multiply the numerators and denominators. 2. Multiply the numerators and denominators. 3. Simplify if necessary. 3. Simplify if necessary.

5 Multiply Assign negative sign to the numerator Divide (cancel) common factors Multiply 1 3 5 -2 Fraction times Fraction

6 Multiply Rewrite as improper fractions and assign negative to numerator. Divide (cancel) common factors Multiply 1 4 Simplify Mixed Number times Mixed Number

7 Multiply Rewrite as improper fractions and assign negative to numerator. Divide (cancel) common factors if possible MultiplySimplify Rewrite a whole number with a denominator of 1. Whole Number times Fraction

8 Try It Out!! Solve 1 -2 4 1 -3 1 11

9 Geometry Find the area of the figure. units²

10 Word Problems Who ran farther Sally Jo or Sally Sue? Sally Jo ran 4 ½ times around a ½ mi. track. Sally Sue ran 3 ¼ times around a 5/6mi. track Sally Sue ran farther!!

11 Homework Homework Text page 240, #8-20 all Text page 240, #8-20 all


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