
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.
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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 work. By …
Decimal place value (video) | Khan Academy
Sal introduces decimal numbers and understanding place value to the right of the decimal.
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.
Multiplying decimals example (video) | Khan Academy
To figure out where the decimal belongs in your answer, put your fingers on each decimal in the numbers you multiplied together. Then, trace the decimals until your fingers meet at a corner in the …
Understand decimals | 4th grade math | Khan Academy
Decimal fractions Understand decimals: FAQ Writing a number as a fraction and decimal
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 …
Decimal numbers and percentages | Khan Academy
Practice Subtracting decimal numbers Learn Strategies for subtracting basic decimals