relate multiplication and division the big question!! how is multiplication used to solve a division...
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Relate Multiplication and Division
• THE BIG QUESTION!!
How is Multiplication used to solve a Division problem?
![Page 2: Relate Multiplication and Division THE BIG QUESTION!! How is Multiplication used to solve a Division problem?](https://reader035.vdocument.in/reader035/viewer/2022081516/5697bfb81a28abf838c9f076/html5/thumbnails/2.jpg)
Relate Multiplication and Division
• You can use the relationship between multiplication and division to solve a division problem. Using the same numbers, multiplication and division are opposite, or INVERSE OPERATIONS
• Multiplication undoes Division • Division undoes Multiplication
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Relate Multiplication and Division
• Same Fact Families
• 3 x 8 = 24 24/3 = 8
• 6 x 7 = 42 42/ 7 = 6
• 3 x 11 = 33 33/11 = 3
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Relate Multiplication and Division
• Joel and 5 friends collected 126 marbles. They shared the marbles equally. How many marbles will each person get?
• Make an ARRAY
• Outline a rectangular array on the grid to model 126 squares arranged in 6 rows of the same length. Shade each row a different color.
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Relate Multiplication and Division
126/6 = _____
The DIVIDEND is the number being divided into. 126 is the Dividend.
• The divisor is the number going into the number. • 6 is the Divisor.
• The Quotient is the Answer in Division.• ________ is the quotient.
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Relate Multiplication and Division
![Page 7: Relate Multiplication and Division THE BIG QUESTION!! How is Multiplication used to solve a Division problem?](https://reader035.vdocument.in/reader035/viewer/2022081516/5697bfb81a28abf838c9f076/html5/thumbnails/7.jpg)
Relate Multiplication and Division
• Important Questions.
• How many squares are shaded in each row? • ______• Use the array to complete the multiplication
sentence. Then, use the multiplication sentence to complete the division sentence.
• 6 x _____ = 126 126/6 = _______• So each of the 6 friends will get _____marbles.
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Relate Multiplication and Division
• Use the Distributive Property.
• You can use the Distributive Property and an area model to solve division problems. Remember that the Distributive Property states that multiplying a sum by a number is the same as multiplying each addend in the sum by the number and the adding products.
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Relate Multiplication and Division
• 52/4 = ? Write a related multiplication sentence for the division problem.
• Think: Use the divisor as a factor and the dividend as the product. The quotient will be the unknown factor.
• ? • 4
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Relate Multiplication and Division
• 52/4 = n n = ____ 4 x n = 52 n = _____
Use the Distributive Property to break apart the large area into smaller areas for partial products that you know.
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Relate Multiplication and Division
• 40 +12 = 52
• (4 X ___) + ( 4 X ___) = 52• Find the sum of the unknown factors of the
smaller areas.• ______ + _____ = 52
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Relate Multiplication and Division
• Write the multiplication sentence with the unknown factor that you found. Then, use the multiplication sentence to find the quotient.
• 4 x _____ = 52
• 52/4 = _____
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Relate Multiplication and Division
• Use the Multiplication and the Distributive Property to find the quotient.
• 70/5 = _____
• ( x ) + ( x ) = ____• _____ x _____ = _____
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Relate Multiplication and Division
• 96/6= _____
• ( x ) + ( x ) = _____
• ______ + _______ = _____
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Relate Multiplication and Division
• 85/5 = _____
• ( x ) + ( x ) = _____
• _____ + ______ = _______
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Relate Multiplication and Division
• 84/6 = _____
• ( x ) + ( x ) = ______
• _____ + ________ = _______
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Relate Multiplication and Division
• 168/7 = _____
• ( x ) + ( x ) = _____
• _____ + ______ = ______
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Relate Multiplication and Division
• 104/4 = ______
• ( x ) + ( x ) = _______
• ______ + _______ = _______
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Relate Multiplication and Division
• 171/9 = ______
• ( x ) + ( x ) = ______
• ______ + _______ = _______
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Relate Multiplication and Division
• 102/6 = _____
• ( x ) + ( x ) = ______
• _______ + _______ = _______
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Relate Multiplication and Division
• 210/5 = _____
• ( x ) + ( x ) = _______
• _______ + ______ = ________
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Relate Multiplication and Division
• Explain how you can use the Distributive Property to find the quotient of 96/8.
• Make fact families.• 96/8 = _____• 8 x ______ = 96 Now show the
Distributive Property.