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Do Now 12/6/11 Take out HW from last night. Take out HW from last night. Text page 124, #10-44 evens, & 55 Text page 124, #10-44 evens, & 55 Copy HW in.

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Presentation on theme: "Do Now 12/6/11 Take out HW from last night. Take out HW from last night. Text page 124, #10-44 evens, & 55 Text page 124, #10-44 evens, & 55 Copy HW in."— Presentation transcript:

1 Do Now 12/6/11 Take out HW from last night. Take out HW from last night. Text page 124, #10-44 evens, & 55 Text page 124, #10-44 evens, & 55 Copy HW in your planner. Copy HW in your planner. Text page 128, #10-40 evens, 50 & 51 Text page 128, #10-40 evens, 50 & 51 Quiz sections 3-5 to 3-7 Thursday Quiz sections 3-5 to 3-7 Thursday In your journal, answer the following questions. How many 4’s are there in 24? How many 1/3’s are there in 2? Draw a picture to exemplify these two scenarios. In your journal, answer the following questions. How many 4’s are there in 24? How many 1/3’s are there in 2? Draw a picture to exemplify these two scenarios.

2 Homework Text page 124, #10-44, & 55 10) 5/8 10) 5/8 12) 15/8 or 1 7/8 12) 15/8 or 1 7/8 14) 2/7 14) 2/7 16) -1/3 16) -1/3 18) 18 18) 18 20) 3/7 20) 3/7 22) 33/2 or 16 ½ 22) 33/2 or 16 ½ 24) 287/8 or 35 7/8 24) 287/8 or 35 7/8 26) 3 1/3 hours 26) 3 1/3 hours 28) 1/2 28) 1/2 30) -4 32) 5/8 34) 12 36) 35/2 or 17 1/2 38) 30/7 or 4 2/7 40) -2/3 42) 26/3 or 8 2/3 44) 3 55) 11 1/3 miles

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

4 RECIPROCAL – two nonzero numbers whose product is 1. RECIPROCAL = MULTIPLICATIVE INVERSE INVERSE

5 Find the Reciprocals

6 Section 3-7, “Dividing Fractions” Dividing Fractions To divide fractions: 1. Rewrite fractions as improper fractions (when necessary) 1. Rewrite fractions as improper fractions (when necessary) 2. Write the reciprocal of the second fraction. 2. Write the reciprocal of the second fraction. 3. Multiply the numerators and denominators. 3. Multiply the numerators and denominators. 4. Simplify if necessary. 4. Simplify if necessary.

7 Divide Multiply by the RECIPROCAL Divide (cancel) common factors Multiply 5 -11 Assign negative sign to the numerator

8 Try It Out!! Solve 7 -9 1 1 -4

9 Word Problem Number of strips = cutting board width ÷ strip width You want to join strips of wood that are 15 inches long and 1 5/8 inches wide to make a cutting board that is at least 12 inches wide. How many strips are needed?

10 Try It Out!! Solve

11 Geometry Find the height of the figure.

12 Homework Text page 128, #10-40 evens, 50 & 51 Text page 128, #10-40 evens, 50 & 51 NJASK7 Prep


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