This video looks at adding subtracting mixed numbers 0.5 (ex 2)
- Author:
- Sal Khan
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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 demonstrates how to add and subtract fractions and how to generate common denominators.
- Author:
- Khan, Salman
This pre-algebra lesson demonstrates addition and subtraction with significant figures.
- Author:
- Khan, Salman
This video looks at How I subtract in my head
- Author:
- Sal Khan
This arithmetic lesson shows how to subtract multi-digit numbers when borrowing is required.
- Author:
- Khan, Salman
This arithmetic lesson reviews basic subtraction and presents several ways to visualize a subtraction problem.
- Author:
- Khan, Salman
This video looks at Subtracting whole numbers
- Author:
- Sal Khan
This lesson discusses how to subtract mixed numbers, including the need for the fractions to have similar denominators.
- Author:
- Khan, Salman
This lesson discusses how to subtract mixed numbers, including the need for the fractions to have similar denominators.
- Author:
- Khan, Salman
This lesson shows how to solve word problems that require subtracting mixed numbers.
- Author:
- Khan, Salman
This lesson reviews how to interpret and properly set up subtraction word problems.
- Author:
- Khan, Salman
This video looks at Intuition as to why subtracting a negative number is equivalent to adding the absolute value of that number
- Author:
- Sal Khan
This arithmetic lesson introduces basic subtraction and begins with a review of basic addition.
- Author:
- Khan, Salman
This arithmetic lesson introduces the concepts of borrowing or regrouping and reviews place value.
- Author:
- Khan, Salman
This arithmetic lesson shows why borrowing works in subtraction problems.
- Author:
- Khan, Salman
These 3 word problems require students to solve addition and subtraction problems.
- Author:
- Illustrative Mathematics
This short video and interactive assessment activity is designed to teach third graders about balancing the equations.
This short video and interactive assessment activity is designed to teach second graders about balancing the equations (numbers to 1,000).