Order of operations
Two-variable expressions
Random!
Exponents
One-variable expressions
100
What does "PEMDAS" stand for?
P = parentheses E = exponents M = multiplication D = division A = addition S = subtraction
100
3(y + x) ; use x = 4, y = 0
3(4) = 12
100

The Warriors' record is 28-29 (ugh). How many games have they played this season?

57.

100

What is 2 cubed?

8
100

4(x) ; x = 12

48

200

What does 8 to the power of 2 mean?

8*8, or 64.

200
4 + xy ; use x = 7 and y = 3
4 + 21 = 25
200

The Giants' record is 3 squared (wins) and 2 cubed (losses). What is their record?

9-6.

200

What is 3 TO THE FOURTH POWER?

81
200

12y ; use y = 3

36
300
In the expression 6(7 + 9), which step should we start with according to PEMDAS?
7+ 9 = 16
300
8(5 - x) - y ; use x = 3 and y = 12
8(5 - 3) - 12 = 8(2) - 12 = 16 - 12 = 4
300

In the order of operations, what step do you do AFTER subtracting?

Trick question: there is no step after subtracting!

300

WHAT IS 1 TO THE 100TH POWER?

1

300

t x 18 ; use t = 0

0

400

Solve: 5(x squared + 3) and x=4

5(16 + 3) = 5*19 = 95

400
(c + d) + 4(c) ; use c = 8, d = 9
(8 + 9) - 4(8) = 17 + 32 = 49
400

4+8+15+16+23+42=

108.

400

x(Y squared) ; use x = 3, y = 5

75

400
(5y - y)/2 ; use y = 6
(30 - 6)/2 = 24/2 = 12
500
Solve: 3(x + 9) - 3 ; use x = 4
3(4 + 9) - 3 = 3(13) - 3 = 39 - 3 = 36
500

5(f - h) - 2h ; use h = 3, f = 5

4

500

Make up a new way to remember the Order of Operations instead of, for example, "Please Excuse My Dear Aunt Sally". (Note: everyone in the group must contribute at least one word)

P

E

M

D

A

S

500

y(y to the third power) + x ; use x = 3, y = 2

16 + 3 = 19

500

(50 + g)/g +35 ; use g = 10

41

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