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  1. 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.

  2. Khan Academy | Khan Academy

    Learn decimals with Khan Academy's interactive lessons, covering topics like place value, addition, subtraction, and more.

  3. 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.

  4. 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.

  5. 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.

  6. 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 …

  7. 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.

  8. 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 …

  9. Decimal place value: FAQ (article) | Khan Academy

    What are decimals? Decimals are a way of writing numbers that include parts of a whole. They are written with a decimal point to separate the whole number from the fractional part. For example, 2.5 …

  10. Decimal place value (video) | Decimals | Khan Academy

    Sal introduces decimal numbers and understanding place value to the right of the decimal.