Order of Operations
3 x (4 + 2) =
18
3 x 8 ___ 24
=
What is the rule?
3, 6, 9, 12
Add 3
Fill in the blank:
The zero property of multiplication states that when you multiply ANY number by zero, the answer is always ___________.
zero
Emma solved 9 math problems. Her sister solved 8 math problems. How many math problems did they solve in all?
17 problems
36 - (2 x 3) =
30
1/2 ___ 1/10
>
What is the rule?
100, 90, 80, 70
- 10
The identity property of multiplication states that when you multiply ANY number by _______ the answer is always the same number.
one
Jess had 16 apples. After he gave one to each of his cousins, he had 13 apples left. How many cousins does Jess have?
3 cousins
(24 - 14) x 3 =
30
92 ___ 8 = 100
+
What is the next number in the pattern?
2, 4, 6, 8, ___
10
Fill in the blank:
An _________ __________ example would be multiplication and division. They are fact families that can be used to undo the other operation.
inverse operation
At the park 20 children want to swing. There are 4 swings. How many groups of four children will swing?
5 groups
50 / 10 + (10 - 4) =
11
200 ____ 100 = 100
-
What is the next number in the pattern?
40, 35, 30, ___
25
True or False:
3 x 8 = 8 x 3
True
A parking lot had 179 cars and 95 trucks. Then 85 cars left the lot. How many cars are in the parking lot now?
94 cars
(Trucks is extra information)
(50 - 10) - (10 x 2) =
20
10 ____ 5 = 50
x
2, 4, 8, 16, 32
Multiply by 2
True or False:
You can subtract numbers in any order but you cannot add numbers in any order.
false
Laura had some roses in a vase. From her garden, she picked 7 more roses and 6 daisies. Now she has 12 roses in all. How many roses did she have at first?
5 roses
(You do not need to know how many daisies she had.)