This lesson shows how easy it is to add fractions with similar denominators.
- Author:
- Khan, Salman
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This lesson reviews how to create fractions with like denominators so that they can be added.
- Author:
- Khan, Salman
This lesson presents strategies for adding mixed numbers with like denominators.
- Author:
- Khan, Salman
This lesson presents word problems that require adding mixed numbers.
- Author:
- Khan, Salman
This lesson shows how to add mixed numbers that have different denominators.[Developmental Math playlist: Lesson 72 of 196]
- Author:
- Khan, Salman
This pre-algebra lesson and demonstrates adding and subtracting negative numbers
- Author:
- Khan, Salman
This pre-algebra lesson demonstrates how to add and subtract fractions and how to generate common denominators.
- Author:
- Khan, Salman
This arithmetic lesson demonstrates how to add 2-digit numbers, without carrying. [Arithmetic playlist: Lesson 2 of 38]
- Author:
- Khan, Salman
This pre-algebra lesson demonstrates addition and subtraction with significant figures.
- Author:
- Khan, Salman
This lesson solves a word problem that involves weight in different units. Also discussed is the importance of knowing that a ton is 2000 pounds for reference.
- Author:
- Khan, Salman
This arithmetic lesson demonstrates dividing decimals by decimals.
- Author:
- Khan, Salman
This arithmetic lesson shows how to subtract multi-digit numbers when borrowing is required.
- Author:
- Khan, Salman
This lesson reviews the Associative Law of Addition.
- Author:
- Khan, Salman
This lesson reviews the Associative Law of Multiplication.
- Author:
- Khan, Salman
This arithmetic lesson introduces the concept of addition and presents several visual ways to represent addition.
- Author:
- Khan, Salman
This lesson reviews how to change an improper fraction to a mixed number.
- Author:
- Khan, Salman
This pre-algebra lesson works several examples of common divisibility.
- Author:
- Khan, Salman
This lesson reviews the Commutative Law of Addition.
- Author:
- Khan, Salman
This lesson reviews the Commutative Law of Multiplication.
- Author:
- Khan, Salman
This 4-minute video lesson looks at how to compare and evaluate absolute values.
- Author:
- Khan, Salman