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.
Decimals | Arithmetic (all content) | 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.
Converting repeating decimals to fractions (part 1 of 2)
The process of converting a repeating decimal to a fraction can be broken down into a few easy steps. To start, set the decimal equal to a variable. Multiply the decimal by 10 and subtract the …
Understand decimals | 4th grade math | Khan Academy
Learn Decimals as words Relating decimals and fractions in words Decimal place value
Decimal place value | 5th grade math | Khan Academy
Put on your math detective hat and dive into this unit on decimal place value. You'll learn how to locate decimals on a number line, see which ones are bigger or smaller, and round them to the …
Place value with decimals (video) | Khan Academy
Place value and decimals are related. We can begin by reviewing the concept of ones, tens, and hundreds places, and then demonstrates how tenths, hundredths, and thousandths places …
Decimal system refresher | AP CSP (video) | Khan Academy
Review how the decimal number system works before diving into the binary number system. The decimal number system and binary number system work the same way; the only difference is …
Adding decimals with ones and tenths parts - Khan Academy
Learn how to add decimals, specifically to the tenths. Practice adding whole numbers first, then adding the decimal parts. Learn the concept of carrying over in decimal addition.
Understand decimals: FAQ (article) | Khan Academy
How do I compare two decimals? To compare two decimals, we can look at the whole numbers before the decimal point. If one of these is larger, we know that number is larger overall. If the …
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.