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Multiplication How can decomposing factor assist me when solving multiplication problems?

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Presentation on theme: "Multiplication How can decomposing factor assist me when solving multiplication problems?"— Presentation transcript:

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2 Multiplication How can decomposing factor assist me when solving multiplication problems?

3 Understanding the EQ How can decomposing factors assist me when solving multiplication problems? breaking down numbers in a multiplication problem help How can breaking down number in a multiplication problem help me when solving multiplication problems?

4 I Do Decomposing Factors 3 x 48 x 6

5 We Do Decomposing Factors 9 x 8 24 x 3

6 Brain Break You Do Decomposing 47 x 18 32 x 6 13 x 9

7 Multiplication How can decomposing factors assist me when solving multiplication problems?

8 APK What are factors? What does it mean to decompose? What operation do we use when decomposing factors? What other multiplication strategies do we have?

9 I Do Decomposing 124 x 33 Tips: 1.Look at the problem. 2.Decompose using addition 3.Create multiplication problems using decomposed numbers 4.Find the product 5.Add the products

10 We Do Decomposing 210 x 15 Tips: 1.Look at the problem. 2.Decompose using addition 3.Create multiplication problems using decomposed numbers 4.Find the product 5.Add the products

11 You Do Decomposing 87 x 15 100 x 45 76 x 92

12 Table 1: Use Lattice Table 2: Use Algorithm Table 3:Use Partitioning Table 4: Use Decomposing Challenge! Which method is the most efficient? Why? 151 x 17

13 Division How can decomposing the dividend assist me when dividing?

14 Understanding the EQ How can decomposing the dividend assist me when dividing? breaking down number being divided help How can breaking down number being divided help me when dividing?

15 I Do Decomposing Dividend 42 ÷ 356 ÷ 5

16 I Do Decomposing Dividend 42 ÷ 3 56 ÷ 5 Tips: 1.Look at the problem. 2.Ask yourself what is the biggest multiple of the divisor I can use without going over the dividend. 3.Subtract that number from the dividend and put answer to the division problem to the side 4.Do step 2 with the solution to the subtraction problem 5.Repeat step 3. 6.Continue until you find your solution.

17 We Do Decomposing Dividend 92 ÷ 4 89 ÷ 7 Tips: 1.Look at the problem. 2.Ask yourself what is the biggest multiple of the divisor I can use without going over the dividend. 3.Subtract that number from the dividend and put answer to the division problem to the side 4.Do step 2 with the solution to the subtraction problem 5.Repeat step 3. 6.Continue until you find your solution.

18 You Do Decomposing Dividend 126 ÷ 4 105 ÷ 70 Tips: 1.Look at the problem. 2.Ask yourself what is the biggest multiple of the divisor I can use without going over the dividend. 3.Subtract that number from the dividend and put answer to the division problem to the side 4.Do step 2 with the solution to the subtraction problem 5.Repeat step 3. 6.Continue until you find your solution.

19 Go to Stations Ms. WilliamsApplicationComputersProblem Solving Rotation 1 Table 1Table 2Table 3Table 4 Rotation 2 Table 4Table 1Table 2Table 3 Rotation 3 Table 3Table 4Table 1Table 2 Rotation 4 Table 2Table 3Table 4Table 1

20 Template Provided By www.animationfactory.com 500,000 Downloadable PowerPoint Templates, Animated Clip Art, Backgrounds and Videos


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