Exponents
Write 53 in standard form
125
How many parts does scientific notation have?
3 parts: a factor, the multiplication sign, and a power of 10
-3 + 17
14
What do we do first when solving a two-step equation?
Undo the addition and subtraction first
18 x (5+5)
180
Simplify 43 x 42
43+2=5 45 = 1,024
What is 431,000,000 in scientific notation?
4.31 x 108
-9 - (-2)
-11
Why is an equation like a see-saw?
You need to balance it by doing the same thing to both sides of the equation
3(-6) - 60 x 3
198
Simplify 55 divided by 53
55-3 = 2 52 = 25
What is 3.98 x 103 in standard form?
3,980
-5(-2)
10
In this equation: 3b + 6 + b = 14 what should we do first?
Add the b's to get 4b + 6 = 14
23 - 4 + 5 x 3
19
What do we need to do when we see negative exponents?
Flip it
-45/9
-5
What does it mean to be a rebel when working on equations?
Do the opposite
(4 x 3) + (8 x 3)
36
Simplify 6-2
1/36
Do the integer rules apply to fractions and decimals too?
Definitely.
Do we solve inequalities differently than equations?
No, but sometimes we need to flip the inequality sign
36/18 x 2 - 4 x 12
36/18 = 2
2 x 2 = 4
4 - 48 = -44