Post on 11-Jan-2016
description
Multiplication on Multiplication on MathLineMathLine
For Multiplication on MathLine:For Multiplication on MathLine:
Introduce Multiplication Introduce Multiplication
Practice Multiplication Math FactsPractice Multiplication Math Facts
Multiply all facts up to 10 x 10Multiply all facts up to 10 x 10
Basic Multiplication Word ProblemsBasic Multiplication Word Problems
Memorize Math FactsMemorize Math Facts
Multiplication
Take the word problem:Take the word problem:
Jon was stacking piles of three books Jon was stacking piles of three books each on four shelves. How many books each on four shelves. How many books
did he stack in all? did he stack in all?
4 X 34 X 3
First - Clear MathLineFirst - Clear MathLine
4 X 34 X 3
Remember the Grouping Method
Multiplication
4 X 34 X 3
Multiplication
Build four groups of 3 ringsBuild four groups of 3 rings
4 X 34 X 3
Multiplication
Build four groups of 3 ringsBuild four groups of 3 rings
4 X 34 X 3
Multiplication
Build four groups of 3 ringsBuild four groups of 3 rings
4 X 34 X 3
Multiplication
Build four groups of 3 ringsBuild four groups of 3 rings
4 X 34 X 3
Multiplication
Build four groups of 3 ringsBuild four groups of 3 rings
4 X 34 X 3
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
4 X 34 X 3
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
4 X 34 X 3
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
4 X 34 X 3
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
4 X 34 X 3
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the leftStudent sees product on MathLineStudent sees product on MathLine
Remember, Remember,
Multiplication is simply repeated Multiplication is simply repeated additionaddition
Notice youNotice you kinesthetically do the same kinesthetically do the same action for multiplication and addition on action for multiplication and addition on
MathLine!MathLine!
Multiplication
Let’s do a larger problemLet’s do a larger problem
Take 7 x 8Take 7 x 8
Multiplication
First - Clear MathLineFirst - Clear MathLine
7 X 87 X 8
Multiplication
Remember the Grouping MethodRemember the Grouping Method
Multiplication
7 X 87 X 8
One group of 8 ringsOne group of 8 rings
Multiplication
7 X 87 X 8
Two groups of 8 ringsTwo groups of 8 rings
Multiplication
7 X 87 X 8
Three groups of 8 ringsThree groups of 8 rings
Multiplication
7 X 87 X 8
11
Rule: Begin group on one bar, Rule: Begin group on one bar, continue on the next continue on the next
Multiplication
22 33 44 55 66 77 88
7 X 87 X 8
11
Four groups of 8Four groups of 8
Multiplication
22 33 44 55 66 7788
7 X 87 X 8
Multiplication
7 X 87 X 8
Multiplication
Five groups of 8Five groups of 8
7 X 87 X 8
Multiplication
7 X 87 X 8
Multiplication
Six groups of 8Six groups of 8
7 X 87 X 8
Multiplication
Seven groups of 8Seven groups of 8
11
33 44 55 66 77 88
22
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
Multiplication
On MathLine multiply rings to the leftOn MathLine multiply rings to the left
7 X 87 X 8
7 X 8 = 7 X 8 = 5656
Multiplication
Student sees product on MathLineStudent sees product on MathLine