8 groups of 4
32
10 groups of 5
50
10 ÷ 2
5
Miss Jahelka has 18 students.
She gave each student 4 pencils.
How many pencils did Miss Jahelka pass out?
18 x 4= 72 pencils
What happens when you multiply a number by 1?
It always equals the other factor.
For example, 3 x 1= 3
9 groups of 7
63
13 groups of 2
26
12 ÷ 4
3
Mrs. Smith has 8 math groups.
Each math group has 7 students.
How many students does Mrs. Smith work with?
8 x 7= 56 students
What happens when you multiply a number by 0?
It always equals 0.
You either have no groups or nothing in each group.
6 groups of 6
36
4 groups of 12
48
20 ÷ 5
4
Miss Jahelka ordered 3 pizzas.
Each pizza had 15 slices.
How many slices of pizza does Miss Jahelka have?
3 x 15= 45 slices
What happens when you multiply a number by 10?
It is 10 times bigger.
3 x 10= 3 groups of tens or 3 tens
3 x 10=30
8 groups of 9
72
17 groups of 3
51
32 ÷ 8
4
Mrs. Smith and her friends are going to the movies.
Mrs. Smith spent $54 dollars buying their movie tickets.
Each ticket cost $9.
How many people are going to the movie?
54 ÷ 9= 6 people
What strategy do you use when you multiply a number by 2?
You double the other factor.
For example, 7 x 2=14
7+7=14
7 groups of 2
14
18 groups of 6
108
63 ÷ 4
9
Miss Jahelka baked 72 cookies.
She put the cookies into 9 packages.
How many cookies were in each package?
72 ÷ 9= 8 cookies
What strategy do you use to multiply a number by 5?
Skip count by 5.