This Write and Solve Subtraction Equations Using a Bar Model video also includes:
Subtraction means take away, but the bar model shows how subtraction relates to addition. The bar model organizes the parts of an equation into a visual model. Using fact families, your mathematicians will be able to organize the equation into something they can solve. Video is second in a series of four. If using as a series, some videos introduce inverse operation while this one does not. Other videos practice addition, multiplication, and division with bar model.
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- Uses subtraction vocabulary minuend and subtrahend
- Introduces fact families
- Does not acknowledge inverse operations
- Only goes through two examples