Lessons - Basic Math

Here is the lessons page for the Basic Math prep section.

Here are the subtopics:

Integers, fractions, decimals, percents​

converting fractions, decimals, and percents

Positive & negative numbers

Order of operations (PEMDAS)

Simplify fractions

Add, subtract, multiply, divide fractions

Find percent increase or decrease

Solve real-life problems (tip, discounts, tax)

Formulas:

% = (part/whole) * 100

% change = (difference/original) * 100

unit rates (miles per hour, cost per item)

proportions

scale drawings and maps