Mathagogy: adding and subtracting negative numbers

Adding and subtracting negative numbers - a vital topic. Yet even my sixth formers make mistakes using them, for example in differentiating reciprocals, or solving simultaneous equations. Much of this comes down to the classic 'two minuses make a plus' memory aid - a classic case of over-generalization - yet what can replace it? As Rob Brown tweeted,…

Adding and Subtracting Negative Numbers

Adding and subtracting negative numbers

Starters, Mathematics, Learning and Technology

Add Subtract Negative Numbers Practice Zone

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Adding and Subtracting Negative Numbers - Steps, Examples & Worksheet

Adding and Subtracting Negative Numbers Worksheets

Adding and subtracting negative numbers

Add and Subtract Negative Integers Part 1 - Prealgebra 1 for Kids

This 27 question worksheet asks students to add and subtract positive and negative numbers.

Adding and Subtracting Positive and Negative Numbers Worksheet