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Learn about decimal place values with Khan Academy's video tutorial.

Converting percentages to decimals and fractions is a fundamental math skill. To convert 18% into a decimal, simply divide by 100, resulting in 0.18. To express it as a simplified fraction, find the greatest common factor, which in this case is 2, and divide both the numerator and denominator by it, giving us 9/50.

In this unit, you will use place-value understanding to round, compare, order, add, subtract, multiply, and divide decimals.

Mar 15, 2021 · Place value Addition, subtraction, and estimation Multiply by 1-digit numbers Multiply by 2-digit numbers Division Factors, multiples and patterns Equivalent fractions and comparing fractions Add and subtract fractions Multiply fractions Understand decimals Plane figures Measuring angles Area and perimeter Units of measurement 5th grade Decimal ...

To multiply decimals, we multiply them just like whole numbers. We count the number of digits behind the decimal in both numbers we're multiplying, and make sure our answer has the same number of digits after the decimal. - We can check our answer by thinking about what it means to multiply by 0.5 (or one half).

Learn 7th grade math concepts such as fractions, decimals, and percentages with Khan Academy's interactive lessons and practice exercises.

Khan Academy offers free online courses, lessons, and practice in various subjects including math, science, and more for learners of all ages.

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Aug 20, 2024 · Streaks and course levels celebrate your achievements by visually tracking your learning progress across Khan Academy. Leveling up a skill to proficient or better will contribute to your streaks an...