Decimals and place value | Arithmetic | Math | Khan Academy
In this topic, we will learn what a decimal is and how to show it visually and on a number line. We will also add, subtract, multiply, and divide with decimals.
Decimales y valor posicional | Aritmética | Khan Academy
En este tema, vamos a aprender qué es un decimal y cómo mostrarlo visualmente en una recta numérica. También vamos a sumar, restar, multiplicar y dividir con decimales.
Write decimals as fractions (practice) | Khan Academy
Practice writing decimals as fractions. These problems use decimals with tenths and hundredths.
Converting fractions to decimals (practice) | Khan Academy
Practice converting a fraction to a decimal. Solutions include repeating decimals.
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Learn about decimal place value with Khan Academy's free online math resources.
Números decimais e valor posicional - Khan Academy
Neste tópico, vamos aprender o que é um decimal e como mostrá-lo visualmente em uma reta numérica. Também vamos somar, subtrair, multiplicar e dividir com decimais.
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Comparing decimals visually (video) | Khan Academy
If you have a number and put a decimal point after it, you can put as many zeros as you want but it won't change the value.
Dividing a decimal by a whole number (video) | Khan Academy
In this math lesson, we learn how to divide decimals using long division. The key is to place the decimal point correctly and treat it like a regular long division problem. By following these …
Números decimais | Aritmética | Matemática | Khan Academy
Escrever um número decimal como uma fração: desafio Responde corretamente a 5 de 7 perguntas para subires de nível!