Vocabulary
Multiplication
Division
Word Problems 1
Factors/Multiples
Prime/Composite
100
What is the answer to a multiplication problem?
product
100
56 x 8
448
100

72 ÷ 8

9

100
Nancy has 25 books. Sara has 5 times more books than Nancy. How many books does Sara have ?
125 books
100

List the factors of 18.

1, 2, 3, 6, 9, 18

200
What is the answer to a division problem?
Quotient
200
734 x 4
2,936
200

36 ÷ 5

7 R1

200
Sara has 324 stickers.  She has 4 times as many stickers as Rachel.  How many stickers does Rachel have?

Rachel has 81 stickers

200

List the first 5 multiples of 10

10, 20, 30, 40, 50

300
What is the name for the numbers being multiplied together?
factors
300
3,834 x 8
30,672
300
365 ÷ 2
182 r 1
300

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?

300

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.

400

What is the name for a number that has exactly 2 factors; 1 and itself?

Prime

400
12 x 74
888
400
806 ÷ 5
161 r 1
400

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

400

Is 49 prime or composite? How do you know?

Composite.  49 has more than 2 factors.  1, 7 and 49.

500

What is the name for a number that has more than 2 factors?

Composite

500

786 x 94

73,884

500
572 ÷ 8
71 r 4
500

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.

500

What are the common factors of 6 and 18?

What is the first common multiple of 6 and 18?

1, 2, 3, 6

18