This video looks at a word problem about adding decimals of different signs.
- Author:
- Sal Khan
This video looks at a word problem about adding decimals of different signs.
This video looks at examples of how to add fractions.
This lesson uses a number line to demonstrate adding fractions with different signs.
This video looks at adding fractions (ex 1)
This lesson shows how easy it is to add fractions with similar denominators.
This lesson reviews how to create fractions with like denominators so that they can be added.
This lesson presents strategies for adding mixed numbers with like denominators.
This lesson presents word problems that require adding mixed numbers.
This lesson shows how to add mixed numbers that have different denominators.[Developmental Math playlist: Lesson 72 of 196]
This video looks at adding subtracting mixed numbers 0.5 (ex 1)
This video looks at adding subtracting mixed numbers 0.5 (ex 2)
This video looks at adding subtracting mixed numbers 1 (ex 1)
This video looks at adding subtracting mixed numbers 1 (ex 2)
This pre-algebra lesson and demonstrates adding and subtracting negative numbers
This pre-algebra lesson demonstrates how to add and subtract fractions and how to generate common denominators.
This arithmetic lesson demonstrates how to add 2-digit numbers, without carrying. [Arithmetic playlist: Lesson 2 of 38]
This pre-algebra lesson demonstrates addition and subtraction with significant figures.
This video looks at How I subtract in my head
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.
This video looks at applying the Metric System