In & Out
What is the rule?
IN Out
7 14
8 16
9 18
10 20
11 22
x2
7 x 3 = 3 x 7
Commutative
9 x 10 =
90
The birds began chirping at 3:37am. They continued chirping for 2 hours. What time did they stop chirping?
5:37am
Rosie had 24 cookies. She wanted to divide them up between 3 of her friends. How many cookies does each friend get?
24 / 3 = 8
8 cookies
The rule is x5.
What are the missing numbers?
IN OUT
3
25
7
45
15, 5, 35, 9
4 x 3 x 8 = 96
Associative
How much is 7 [40s]?
280
The baseball game started at 7:05pm. It ended at 9:15pm. How long was the baseball game?
2 hours and 10 minutes
Damien had 16 stickers. His mom gave him 12 more. He then gave half to his brother. How many did he have left?
16 + 12 = 28
28 / 2 = 14
14 stickers
What is the rule?
What are the missing numbers
IN OUT
2
3
4 24
30
RULE: x6
MISSING NUMBERS: 12, 18, 5
What does the commutative property tell us?
It does not matter what order you multiply your numbers in because you will get the same product either way.
7 x 300 =
2,100
Maggie took a walk. She left at 10:30am and got home at 1:45pm. How long was she gone?
3 hours and 15 minutes
Mrs. Hudson has 6 table groups with 3 students in each group. She then got 2 new students. How many students does Mrs. Hudson have now?
6 x 3 = 18
18 + 2 = 20
20 students
What is the rule?
What are the missing numbers?
8
2
3
4 32
RULE: x8
MISSING NUMBERS: 1, 16, 24What does the associative property tell us?
When multiplying more than two factors, it does not matter how you group your numbers when multiplying because you will still get the same answer.
4 x 5,000 =
20,000
My mom ran errands for 1 hours and 45 minutes. If she left at 2:15pm, what time did she return?
4:00pm
Shelly has 3 packs of pens. There are 4 in each pack. She lost 3 of the pens and gave 6 away. How many did she have left?
3 x 4 = 12
12 - 3 = 9
9 - 6 = 3
3 pens
What is the rule?
What are the missing numbers?
IN OUT
108 9
8
84
6
RULE: Divide by 12
MISSING NUMBERS: 96, 7, 72
Jodi multiplied three numbers together and got a product of 72. What three numbers could she have multiplied?
Answers may vary.
How many 4s are in the number 3,600?
900
Sam spent 92 minutes working on a school project. If he started at 5:30pm, what time did he finish?
7:02pm
The park has 3 picnic tables that seat 6 people each. It also has 2 square tables that seat 10 people each. How many seats total are available at the park?
3 x 6 = 18
2 x 10 = 20
18 + 20 = 38
38 seats