Is 11 a prime or composite number? How do you know
Prime â it only has factors 1 and 11
Oops!
Check
Okay!
Check
15
Is 29 a prime or composite number? Explain
Prime â it only has factors 1 and 29
Oops!
Check
Okay!
Check
10
What are all the factors of 20?
1,2,4,5,10,20
Oops!
Check
Okay!
Check
eraser
Reset score!
Oops!
fairy
Take points!
5
10
15
20
25
rocket
Go to first place!
Okay!
baam
Lose 5 points!
Oops!
banana
Go to last place!
Oops!
gift
Win 15 points!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
Oops!
15
Choose all the prime numbers 4, 6, 9, 11, 12, 17
11
Oops!
Check
Okay!
Check
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
Oops!
Check
Okay!
Check
15
Is 37 a prime or composite number? Explain
Prime â it only has factors 1 and 37
Oops!
Check
Okay!
Check
15
What are all the factors of 56?
1, 2, 4, 7, 8, 14, 28, and 56.
Oops!
Check
Okay!
Check
10
What are the first 5 multiples of 2?
2,4,6,8,10
Oops!
Check
Okay!
Check
5
Is 9 a prime or composite number? Explain your reasoning
Composite â it has more than 2 factors
Oops!
Check
Okay!
Check
heart
Other team wins 20 points!
Oops!
fairy
Take points!
5
10
15
20
25
gift
Win 5 points!
Okay!
thief
Give points!
5
10
15
20
25
10
List the first 5 multiples of 8.
8,16,24,32,40
Oops!
Check
Okay!
Check
5
Ms. Davis bakes 12 cupcakes in each batch. If she bakes 4 batches, how many cupcakes does she bake in total?
Oops!
Check
Okay!
Check
15
Is 15 a prime or composite number? How do you know
Composite â it has more than 2 factors
Oops!
Check
Okay!
Check
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?