Factors
1, 2, 3, 4, 6, 8, 12, 24
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42....
Is 8 a prime or composite number? Write all the factors to prove it!
COMPOSITE
1, 2, 4, 8
Ethan has 8 packs of cards. Each pack contains 23 cards. How many cards does he have in all the packs together?
Include the UNITS in your answer!
23 x 8
184 cards
Lilly baked 180 cookies for the bake sale. She wants to donate some cookies to 9 different classroom. How many cookies will each classroom get?
Include the UNITS in your answer!
180 ÷ 9 =
20 cookies
List three factors of 45
1, 5, 9, 45
Janet says that 63 is a multiple of 5. Is she correct?
No, because all multiples of 5 end in either 5 or 0.
Is 17 a prime or composite number? List all the factors to prove it!
PRIME
1, 17
60 x 45
(Think 6 x 45!)
2700
Damien ran 36 laps in 9 minutes. How many laps did he run per minute?
36 ÷ 9
4 laps
List all the factors of 28
1, 2, 4, 7, 14, 28
List the first 4 multiples of 8
8, 16, 24, 32
Darrell thinks that 3 is a composite number, because 3 x 3 = 9. Is he correct? Why or why not?
No, because a composite number must have factors more than itself x 1. 9 is not a factor of 3; it is a multiple.
Krispy Kreme produces 53 donuts every minute. How many donuts do they produce in 24 minutes?
Include the UNITS in your answer!
53 x 24
1,272 donuts
2,853 toys were produced at the North Pole for Christmas. These toys will be delivered to children in 7 different states. How many toys will each state receive? How many extra toys will be left over?
2,853 ÷ 7 = 407 R4
407 toys with 4 left over