Order Of Operations
Exponents
Evaluating Expressions
Combining Like Terms
Distributive Property
100
When solving order of operation problems students would use PEMDAS. What does PEMDAS stand for?
Parenthesis, Exponents, Multiplication, Division, Addition, and Subtraction
100
When solving problems with exponents, such as 52, does it mean 5x2 or 5x5?
What is 5x5
100
a + 7 ; when a = 11
What is 18
100
Can you add 4b + 2
No, because they are not like terms. 4b is a coefficient and 2 is a constant term.
We also are not told what b equals so we cannot substitute any number in for b to get a real answer
100
2(s + 4)
What is 2s + 8
200
12 - 3 x 4
What is 0
200
3^2
What is 9
200
mn ; when m = 2 and n = 7
What is 14
200
9r - 4r
What is 5r
200
10(9 - x)
What is 90 - 10x or -10x + 90
300
7 + 54 ➗ 3(2)
What is 16
300
92
What is 81
300
z + y - y ; use y =4 and z = 5
What is 5
300
7x + 16 + 9x
What is 16x + 16
300
4(6 - 3r)
24 - 12r
400
13 + 7(2) + 623
What is 39
400
(10)2
What is 100
400
z + b + m ; use z = 10, b = 0.5, and m = 7
What is 17.5
400
47k + 56 + 47k - 56
What is 94k
400
12(w + 3)
What is 12w + 36
500
24 + 4^2 * 3 - 15
What is 57
500
(13)^2
What is 169
500
q + m2q ; use m = 5 and q = 10
What is 260
500
12c +2(3c +2) + 66 -11
What is 18c + 59
500
7a + 6(a - 7)
What is 13a - 42