Margret buys 7 packages of hair bows with 3 bows in each package. How many hair bows does Margret buy in all? How could you use 2's facts and 1's facts to solve this problem? Explain.
21 hair bows
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seesaw
Swap points!
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magnet
Take 25 points!
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rocket
Go to first place!
Okay!
thief
Give points!
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10
How can you use doubles to find the unknown for 7x4=? if 7x2=14?
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20
How can knowing 3x5 help you find the product of 6x5? Explain
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15
Each doctor in a group has 3 patients to check on. There are 7 doctors in the group. How many patients are there in all? Show 2 different strategies you can use to find the answer. (Keys: arrays, decompose, equal groups)
21 patients
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25
Which equation represents how to find the product of the array? How could you decompose the equation?
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banana
Go to last place!
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shark
Other team loses 20 points!
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fairy
Take points!
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25
banana
Go to last place!
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boom
Lose 50 points!
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magnet
Take 5 points!
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gift
Win 20 points!
Okay!
thief
Give points!
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25
Jonah wants to find the product of 8x9. He starts by drawing an array. Number the steps in the correct order to find the product by decomposing.
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10
What completes the equation? 7x___=63
9
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10
How could you use doubles to find the unknown for 8x7 if 7x4=28?
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10
James and Jack are helping fix a fence. They buy 5 boxes of nails for $8 each. How much do they spend on nails?
$40
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25
What are two different ways to decompose the array to find the product of 5x7?
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10
How could you use doubles to find the unknown for 6x9 if 3x9=27?
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25
Lucas plants 4 blackberry bushes in 9 rows. How can you draw an array and decompose a factor to find how many blackberry bushes he planted? Show your work.
36 blackberry bushes
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15
What is the equation for the decomposed expression 5x4+5x3?