Is 15 a prime or composite number? How do you know
Composite â it has more than 2 factors
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25
Ms. Ochs has 40 guitars. He wants to put them on display. What are all the possibilities of he rows of guitars he could make?
40 bags of 1 card 20 bags of 2 cards 10 bags of 4 cards 8 bags of 5 cards 5 bags of 8 cards 4 bags of 10 cards 2 bags of 20 cards 1 bag of 40 cards
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5
Ms. Davis bakes 12 cupcakes in each batch. If she bakes 4 batches, how many cupcakes does she bake in total?
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seesaw
Swap points!
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seesaw
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gift
Win 25 points!
Okay!
baam
Lose 25 points!
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15
Mr. Josh is setting up chairs for a school assembly. He arranges 8 chairs in each row. If he needs 7 rows of chairs, how many chairs will be used in total?
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15
Is 37 a prime or composite number? Explain
Prime â it only has factors 1 and 37
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20
Mr. Bertelsen wants to arrange his cards in rows. He has 15 cards. How many rows and columns could he have?
1 row of 15 or 15 rows of 1 or 3 rows of 5 or 5 rows of 3
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15
Choose all the prime numbers 4, 6, 9, 11, 12, 17
11
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15
Is 29 a prime or composite number? Explain
Prime â it only has factors 1 and 29
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10
What are all the factors of 20?
1,2,4,5,10,20
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5
Is 9 a prime or composite number? Explain your reasoning
