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Published byAdela Dorsey Modified over 9 years ago
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Multiplication on MathLine
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For Multiplication on MathLine: Introduce Multiplication Practice Multiplication Math Facts Multiply all facts up to 10 x 10 Basic Multiplication Word Problems Memorize Math Facts
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Multiplication – Step 1 Take the word problem: Jon was stacking piles of three books each on four shelves. How many books did he stack in all?
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Multiplication – Step 1 Take the word problem: Jon was stacking piles of three books each on four shelves. How many books did he stack in all? 4 X 3 4 X 3
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Clear MathLine 4 X 3 4 X 3 Multiplication – Step 1 Remember the Grouping Method
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Build four groups of 3 rings. 4 X 3 4 X 3 2341 Multiplication – Step 2
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On MathLine multiply rings to the left. 4 X 3 4 X 3 Multiplication – Step 3
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Student sees product on MathLine 4 X 3 = 12 4 X 3 = 12 Multiplication – Step 4
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Multiplication – Step 1 Remember, Multiplication is simply repeated addition Notice you kinesthetically do the same action for multiplication and addition on MathLine!
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Multiplication – Step 1 Let’s do a larger problem Take 7 x 8
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Clear your MathLine 7 X 8 7 X 8 Multiplication – Step 1 Remember the Grouping Method
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Build 7 groups of 8 rings. 7 X 8 7 X 8 1 Multiplication – Step 2
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2 groups of 8. 7 X 8 7 X 8 12 Multiplication – Step 3
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3 groups of 8. 7 X 8 7 X 8 123 Multiplication – Step 4
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4 groups of 8. 7 X 8 7 X 8 123 4 RULE: Begin group on one bar, continue on the next. Multiplication – Step 5
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5 groups of 8 123 4 5 Multiplication – Step 6 7 X 8 7 X 8
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6 groups of 8. 123 4 5 6 Multiplication – Step 7 7 X 8 7 X 8
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7 groups of 8. 123 4 5 6 7 Multiplication – Step 8 7 X 8 7 X 8 RULE: Begin group on one bar, continue on the next.
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Multiply all rings to the left. Multiplication – Step 9 7 X 8 7 X 8
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Student sees product on MathLine. Multiplication – Step 10 7 X 8 = 56
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