
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.
Decimal place value (video) | Khan Academy
Sal introduces decimal numbers and understanding place value to the right of the decimal.
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 whole …
Decimal place value review (article) | Khan Academy
To convert a decimal to a fraction, place the decimal number over its place value. For example, in 0.6, the six is in the tenths place, so we place 6 over 10 to create the equivalent fraction, 6/10.
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.
Place value concepts for decimal operations | Khan Academy
In this unit, learners develop decimal understanding through place value and fraction thinking, representing decimals to thousandths and comparing, rounding, and naming them in various forms.
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 what …
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Understand decimals | 4th grade math | Khan Academy
Decimal fractions Learn Understand decimals: FAQ Writing a number as a fraction and decimal