Order matters
What does the second letter, E, in PEMDAS stand for?
Exponents
What is the value of 3 to the 4th power?
81
Simplify the following expression: 6+9²÷3
33
Simplify the following expression:
8 - 3 + 5² • (6-4)
55
What is 12 x 7?
NO CALCULATOR!
84
Which operation would be last using the below expression? 9+2 x 3²
Choose from :
Addition, multiplication, or exponents
Addition
9³
729.
Simplify the following expression:
9-2+3-1+8-6+4-2+8
21
Simplify the following expression:
8² ÷ (4 • 4) - 3 + 2²
5
simplify the fraction: 24/36
2/3
When you have ONLY addition and subtraction left in an expression, how do you proceed?
Right to Left?
OR
Left to Right?
Left to Right!
8²
64
Simplify the following:
9÷3 x 2 ÷ 2 x 8
24
Simplify the following:
400 - 5² • 2 - (300 ÷ 2 + 200)
How would you write 346% as a decimal?
3.46
No % symbol!! Just 3.46
Which operation comes first? 8-3+9-(8-2•2)
2•2
What is 10 to the 5th power?
100,000
Simplify the following:
18÷2-3+4x5
26
Simplify the following:
18 - 9 + 3³ ÷ (3 x 3)
12
Simplify the Expression:
2•19-24÷2
26
Label all of the letters with their operations in PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
Which exponent has a larger value?
45 or 54
54 = 625
45 = 1,024
So, 45 has the larger value!
Simplify the following:
2² + 3² x (6÷3)
22
Simplify the following:
9 ÷ 3 x 2² - 5 + 3
10
Simplify the expression:
50 - 7 x (3 + 2) + 62 - (5 + 4)
42