Vocabulary
72 ÷ 8
9
List the factors of 18.
1, 2, 3, 6, 9, 18
36 ÷ 5
7 R1
Rachel has 81 stickers
List the first 5 multiples of 10
10, 20, 30, 40, 50
A baker uses 9 cookies to make a package of cookies. The baker made 1,086 cookies in all. After making as many packages of cookies as he can, how many cookies will be left over?
6 cookies
Is 9 a factor of 49?
Is 49 a multiple of 9?
How do you know?
No, 9 is not a factor of 49 and 49 is not a multiple of 9. I know this because if I divide 49 by 9, there is a remainder. 9 does not go into 49 evenly, and if I count by 9s I will not get exactly to 49.
What is the name for a number that has exactly 2 factors; 1 and itself?
Prime
Jasmine had 120 stickers. Her brother gave her another 80 stickers. Jasmine divided the total number of stickers equally among 5 sticker albums. How many stickers are in each album?
There are 40 stickers in each album
Is 49 prime or composite? How do you know?
Composite. 49 has more than 2 factors. 1, 7 and 49.
What is the name for a number that has more than 2 factors?
Composite
786 x 94
73,884
Mike had 1,750 baseball cards. John had 480 fewer baseball cards than Mike. Mike gave John some baseball cards. In the end, John had 3 times as many baseball cards as Mike. How many baseball cards did Mike have in the end?
Mike had 755 stickers in the end.
What are the common factors of 6 and 18?
What is the first common multiple of 6 and 18?
1, 2, 3, 6
18