Order of Operations
What is the first step in this equation?
16 ÷ 4 + 17 x 4
16 ÷ 4
Evaluate:
6(x - 1)
6x - 6
Find each missing number and tell what property it is.
5(8 + 12) = (5 + ___) + 12
8. Associative Property of Addition
the ORDER that you add or multiply numbers will not affect the answer.
Commutative Property.
What is the first step in this equation?
15 ÷ (5 x 3)
5 x 3
What is the first step in this problem?
3 - 3 + 12 ÷ 3
12 ÷ 2
Evaluate:
2 (4 + 3)
14
Find each missing number and tell what property it is.
9 + __ + 12 = 3 + 9 + 12
3. Commutative Property of Addition
the way in which numbers are GROUPED does not affect the sum or product
Associative Property
What would the problem look like after completing the first step?
(3 x 9^2) + 15
(3 x 81) + 15
What is the second step in this equation?
18 ÷ 9 + 4 x 12
4 x 12
Evaluate
6(2+10x) + 1
13+60x
Find each missing number and tell what property it is.
288 + 0 = ___
288. Identity Property of Addition
The product of 1 and any number is that number.
The sum of zero and any number is that number.
Identity Property
Evaluate:
2 [ (3x - 2) + 22]
6x + 4
Evaluate
(3 x 92) + 15
259
Evaluate
(8+10x)2 - 11
5+20x
Find each missing number and tell what property it is.
24 x 34 x 5 x __ = 0
0. Multiplication Property of Zero
The product of zero and any number is zero
Multiplication Property of Zero
Name one of the colleges or universities that Mrs. Winter has attended.
U of Alabama
Elon University
U of West Alabama
Where did this person make an error?
(52 - 4) ÷ 8 x 32
48 ÷ 8 x 32
48 ÷ 8 x 9
48 ÷ 72
48 ÷ 8 is before 8 x 9
Evaluate
9(9x+7) + 3(2x - 3)
87x + 54
Find each missing number and tell what property it is.
322 x _ =322
1. Identity Property of Multiplication
the number on the outside of the parenthesis, is multiplied by each number on the inside of the parenthesis
Distributive Property
Evaluate:
42 + 2(x - 7) + 5x - 10
7x + 12