Maths Equations for Case Math Flashcards
1
Q
The equation for Percentage Change
A
V2-V1/V1
2
Q
The equation for Simple Growth (1-year Percentage Increase)
A
P1+(P1 x R (Growth Rate)
3
Q
The equation for Compounding Growth
A
Pn + (Rn x Pn)
4
Q
The equation for Weighted Average
A
Sum of (Number x Weighting Factor)/Sum of all Weights
5
Q
How to Divide a Fraction
A
Swap the second fractions num/dem, complete as a multiplication
6
Q
How to Multiply a Fraction
A
Multiply the Numerators, and then the Denominators, then simplify
7
Q
How to find if a number if divisible by 3?
A
Add all the digits, if they divide by three, then it is divisable
8
Q
1/2
A
0.5/50%
9
Q
1/3
A
0.33/33%
9
Q
1/4
A
0.25/25%
10
Q
1/5
A
0.2/20%
11
Q
1/6
A
0.17/17%
12
Q
1/7
A
0.14/14%
13
Q
1/8
A
0.125/13%
13
Q
1/9
A
0.11/11%
