Multiplication
70 x 9?
630
312 ÷ 3
104
List all the factors of 12.
1, 2, 3, 4, 6, 12
Is 17 prime or composite?
Prime
There are 8 chairs in each row of a classroom. If the classroom has 9 rows, how many chairs are there altogether?
72
43 x 32
1,376
555 ÷ 5
111
What is the smallest multiple of 7 that is greater than 20?
21
Is 20 prime or composite?
composite
A pack of crayons has 12 crayons. If Mia buys 7 packs, how many crayons does she have in total?
84
90 x 54
4,860
934 ÷ 2
467
True or False: 18 is a factor of 72.
True
List all prime numbers less than 10.
2, 3, 5, 7
Nayely counted her crayons and found out that she has 80 crayons which she will place in crayon boxes. Every crayon box can contain 8 crayons. How many crayon boxes does she need?
10 crayon boxes
52 x 83
4,316
675 ÷ 9
75
What are the first 5 multiples of 6?
6, 12, 18, 24, 30
True or False: 1 is a prime number.
false
Carlos has soccer practice for 24 hours every month. If he has 12 practices a month. How many hours does he practice each time?
2 hours
72 x 47
3,384
156 ÷ 3
52
What are the common factors of 16 and 24?
1, 2, 4, 8
Which of these numbers are prime: 11, 15, 19, 21
11 and 19
Joshua has 63 Pokémon cards. He puts them in 9 different stacks. How many cards are in each of the new stacks?
7 cards