Percentages, fractions, rule of three and other fundamentals that appear most in the app.
Articles in path
6
Slug
aritmetica
Category
Arithmetic
The number 0.75 represents the same quantity as 3/4 and 75%. Understanding decimals means understanding how fractions, percentages and measurements coexist in the same number system.
GCD simplifies fractions and divides objects into equal groups. LCM organises repeating cycles and resolves fraction addition. Each has its moment — knowing the difference is the key.
Exponentiation is repeated multiplication. Radicals are the inverse operation. Understanding the properties of exponents opens the door to algebra, geometry and physics.
A fraction is not a strange beast: it represents parts of a whole or a division between numbers. Understand the meaning before memorising the rules.
From store windows to credit card statements, percentages are everywhere. Understand the concept and stop relying on a calculator just to interpret the result.
The secret of the rule of three is not the cross-multiplication — it is correctly identifying whether the quantities grow together or in opposite directions.