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Math Strategies
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What does the O in FOIL stand for?
Outer
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Long multiplication is also called...
Standard Algorithm.
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What does the I in FOIL stand for?
Inner
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True or False: This is an example of the FOAL method. 48x21= (40+8)(20+1)=
False. It is the FOIL method.
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True or False: In order to use the box method, you must first turn multiple digit numbers into standard form.
False. You must turn them into expanded form.
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What does the F in FOIL stand for?
First
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The box method is also called the...
Area model
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If you were to multiply 482x374 using the box method, how many boxes would you need to draw?
9
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True or False: This is an example of using the standard algorithm.
True
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What does the L in FOIL stand for?
Last
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True or False: FOIL stands for First Operation In Line.
False. It is First Outer Inner Last.
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True or False: If you are using the Turtlehead Method, you must remember to lay an egg (zero) AFTER drawing a collar.
True
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True or False: When using the Turtlehead Method, you must remember to subtract any carried numbers from the connected product.
False. You need to ADD carried numbers to the connected product.
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True or False: All of the strategies we have learned so far involve addition.
True
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True or False: This is an example of the square method.
False. It is called the box method.
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The FOIL method is also called the...
Partial Product method
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