Proportions
Integers
Fractions
Rational Numbers
Equations
100
What is a proportion?
Two ratios that equal each other
100
-1 + 7
6
100
1/2 + 1/2
1
100
Rational numbers must do one of 2 things. They must ________ or _________.
End or Repeat
100
Equations are like a scale. What you do to one side ...
you must do to the other.
200
What is 75% of 100?
75
200
-15 + 24
9
200
1/2 + 3/4
5/4 or 1 1/4
200
Rational or Irrational? Square root of 25
rational
200
x + 4 = -19
x = -23
300
13 is what % of 25
52%
300
33 - 45
-12
300
2/3 + 6/9
4/3 or 1 1/3
300
R or I? square root of 10
I
300
3x = -12
x = -4
400
12% of what number is 3.6?
30
400
-14 + 7 - 3 + 11
1
400
4/5 + 7/10 - 2/20
1 2/5
400
R or I? 3.14...
I
400
-2x - 7 = 11
x = -9
500
A bike costs $125. Tax is 9%. How much is the TOTAL cost of the bike?
$136.25
500
-3(2) + 7 - 4 - 2(5)
-13
500
14/17 * 3/2
1 4/17
500
R or I? 3.14435634563456
R
500
3(x - 4) = 9
x = 7