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Maths (Percentages (Compound interest (P=(1+%/n)^ny), Increase, Decrease,…
Maths
Percentages
Increase
Decrease
Finding a percentage
Compound interest
P=(1+%/n)^ny
Fractions
Take away a Fraction: eg: 100 - 1/2 = (100 ÷ 2 x 1) - 100
Add a Fraction: eg: 100 + 1/2 = (100 ÷ 2 x 1) + 100
Convert to decimal. (Divide N by D)
Decimal
Convert to Percentage
The top is called a Numerator. The bottom is called the Denominator
Problem Solving
Arithmetic
Multiplication
Grid Method
Geolosia Method
Traditional method
Egyptian method
Adding.
Division
Subtraction