6. Open number lines for subtraction (levels 3 and 4)
Using Open Number Lines
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5m 14s
Peter Sullivan introduces effective subtraction strategies for middle and upper primary students. He highlights the challenges students face with subtraction and emphasizes methods like partitioning, rearranging, and regrouping. These strategies connect to addition and are crucial for understanding two and three-digit subtraction. Sullivan showcases various teaching methods and examples, focusing on mental representation and the use of Base 10 materials to build student confidence.
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8. Open number lines for subtraction ...
Peter Sullivan introduces a video on addition and subtraction using open number lines, specifically for upper primary levels. He highlights the importance of place value and mental arithmetic. The session covers subtraction as both takeaway and difference, demonstrating various flexible methods. ...
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9. Open number lines for fraction add...
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