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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.

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

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.

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 …

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 …

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 …

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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 …

Practice using estimation as a strategy to better understand decimal multiplication. Use the product of whole numbers to help determine the product of decimals with the samedigits in the same order. …