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Two Step Equations
Scientific Notation
Simplifying Variable Expressions
Sqaure Roots and Irrational Numbers
Order of Operations
100
2x+5=15(solve for x)
x=5
100
4 8.72 × 10
87200
100
2(x-4) (Simplify this.)
2x-8
100
16 Find each square root. If a number is not a perfect square, estimate the value.
4
100
7+2x3 (Remember PEMDAS)
13
200
8x - 8 = -48(solve for x)
x=(-5)
200
5 1.18 × 10
118000
200
3x + 2(x – 4) (Simplify this.)
5x – 8
200
26 Find each square root. If a number is not a perfect square, estimate the value.
5
200
2 5 -12÷4 (Remember PEMDAS)
22
300
16-n=(-37) (solve for n)
n=53
300
-7 1.21x10
0.000000121
300
15b+9+5b-2 (Simplify this.)
20b+7
300
121 Find each square root. If a number is not a perfect square, estimate the value.
11
300
(25 - 11) x 3 (Remember PEMDAS)
42
400
−14r− 19= 303(solve for r)
r=(-23)
400
-6 2.72338×10
0.00000272338
400
12x-10-15x-12 (Simplify this.)
-3x-22
400
119 Find each square root. If a number is not a perfect square, estimate the value.
10
400
150 ÷ (6 + 3 x 8) - 5 (Remember PEMDAS)
0
500
j+76=(-83) (solve for j)
j=(-159)
500
-6 2.72338 × 10
0.00000272338
500
2(6x-5)-3(5x+4) (Simplify this.)
12x-10-15x-12
500
169 Find each square root. If a number is not a perfect square, estimate the value.
13
500
4 8 + (2 x 5) x 3 ÷ 9 (Remember PEMDAS)
98