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3.OA.3
MULT
IPLIC
ATIO
N
AND DIV
ISIO
N
STRAT
EGIES
AR
RA
YS
AN
D D
RA
WI N
GS
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GROUP SIZE UNKNOWN - ARRAY
If 18 apples are arranged into 3 equal groups. How many apples will be in each group?
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NUMBER OF GROUPS UNKNOWN - ARRAY
I have 28 pieces of gum for my friends. Each friend gets 4 pieces. How many friends do I have?
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UNKNOWN PRODUCT - ARRAY
What multiplication problem is represented by the drawing below?
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PRODUCT UNKNOWN– AREA MODEL ARRAYI have 18 packs of markers. Each pack has 4 markers in it. How many markers do I have in total?
10 + 8
4
72 total markers
40 32
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TRUE OR FALSE
My friend multiplied these two numbers. Below is their reasoning. Are they correct? If not, what advice do you have for this student?
18 x 6 = 116 10 + 8
6 60 56
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WRITE A WORD PROBLEM REPRESENTED BY THE DRAWING
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DIVISION - AREA MODEL ARRAY GROUP SIZE UNKNOWNIf you have 48 inches of ribbon cut into 6 pieces, how long will
each piece measure?
48 inches of Ribbon
6 pieces
3 X 6 = 18
5 X 6 = 30
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DIVISION – ARRAY NUMBER OF GROUPS UNKNOWNIf 56 pieces of fruit are to be packed 4 to a bag. How many
bags will be needed?
Use a drawing or array to solve. Be prepared to share your answer and explain.
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DIVISION – ARRAY NUMBER OF GROUPS UNKNOWNSame Problem - If 56 pieces of fruit are to be packed 4 to a
bag. How many bags will be needed?
Can you explain this drawing? Is it correct?
Is there anything missing?
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DIVISION – ARRAY NUMBER OF GROUPS UNKNOWNSame Problem - If 56 pieces of fruit are to be packed 4 to a
bag. How many bags will be needed?
Can you explain this array? Is it correct?
Is there anything missing?
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GIVEN THE ARRAY WRITE A WORD PROBLEM
72 buttons
8 buttons
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GIVEN THE ARRAY WRITE A WORD PROBLEM
How many shirts can I make if a shirt requires 8 buttons and I have a total of 72 buttons? 9 shirts
72 buttons
4 x 8 buttons
5 x 8 buttons
8 buttons
40 buttons
32 buttons