UNDERSTAND THE WHY
HESI A2 Math Study Guide
Clear explanations. Worked examples. Practice as you learn.
Start with the idea, follow an example, then check your understanding. Use the diagnostic when you want help deciding what comes next.
Whole numbers: add, subtract, multiply, and divide
8 understanding checks · Optional video explanation
Decimals: understand the places and calculate
4 understanding checks · Optional video explanation
Fractions: equal parts and simpler forms
2 understanding checks · Optional video explanation
Add and subtract fractions
3 understanding checks · Optional video explanation
Multiply and divide fractions
4 understanding checks · Optional video explanation
Change between fractions, decimals, and percentages
5 understanding checks · Optional video explanation
Ratios and proportions: find a missing amount
5 understanding checks · Optional video explanation
Ratios: compare parts with each other and with the whole
5 understanding checks · Optional video explanation
Percentages: find the part, whole, or change
5 understanding checks · Optional video explanation
Mean, median, mode, and range
5 understanding checks · Optional video explanation
Expressions and equations: calculate and find the unknown
6 understanding checks · Optional video explanation
Metric units: meters, grams, and liters
4 understanding checks · Optional video explanation
Convert feet, pounds, cups, and other everyday units
6 understanding checks · Optional video explanation
Time, temperature, and Roman numerals
6 understanding checks · Optional video explanation
One next step is enough.
Not sure what to study? Start with a diagnostic. Already know? Open a guide and begin.