Adding & Subtracting Negatives TN

 teachMathematics: Adding & Subtracting Negatives TN

The computer gives fast and reliable feedback which is non-judgemental and impartial. The self-checking spreadsheet exploits this well and encourages students to test out and modify their ideas. If you would like to learn how to make this type of self checking spreadsheet a demonstration video can be found in the ICT & Mathematics part of our website (needs creating)

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