Did you use the Álgebra de Baldor textbook? : r/asklatinamerica

Basic operations (addition, subtraction, multiplication, division). Fractions and decimals. Ratios and proportions. Square and cube roots. Percentage calculations and simple/compound interest. Metric systems and units of measurement .

The is more than just a file – it is a key. It unlocks the door to numerical literacy. It builds the confidence to tackle algebra, geometry, calculus, and beyond. It has worked for millions of students over decades, and it will work for you.

The book covers every fundamental aspect of arithmetic, including: