This arithmetic lesson demonstrates how to add 2-digit numbers, without carrying. [Arithmetic playlist: Lesson 2 of 38]
- Author:
- Khan, Salman
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This lesson introduces the concept of absolute value as the distance of the number from zero.
- Author:
- Khan, Salman
This lesson shows the importance of lining up the decimals when adding decimals.
- Author:
- Khan, Salman
This video looks at a word problem about adding decimals of different signs.
- Author:
- Sal Khan
This video looks at examples of how to add fractions.
- Author:
- Sal Khan
This lesson uses a number line to demonstrate adding fractions with different signs.
- Author:
- Khan, Salman
This video looks at adding fractions (ex 1)
- Author:
- Sal Khan
This lesson shows how easy it is to add fractions with similar denominators.
- Author:
- Khan, Salman
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 video looks at adding subtracting mixed numbers 0.5 (ex 1)
- Author:
- Sal Khan
This video looks at adding subtracting mixed numbers 0.5 (ex 2)
- Author:
- Sal Khan
This video looks at adding subtracting mixed numbers 1 (ex 1)
- Author:
- Sal Khan
This video looks at adding subtracting mixed numbers 1 (ex 2)
- Author:
- Sal Khan
This pre-algebra lesson and demonstrates adding and subtracting negative numbers
- 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 video looks at How I subtract in my head
- Author:
- Sal Khan
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