Subtraction (difference) using a numberline
Interactive excel file models counting on to find a difference. Click on the sheet to reveal the questions and steps. Random questions to 200 (so you may get 11-1) which promotes discussion about appropriate strategies. Revealing the answer before the question encourages thinking about inverse operations. Macros will need to be enabled and analysis toolpak required for excel97-2003 version. Worksheet to practise calculation strategies. Get a whole new set of questions by pressing F9


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  • Subtraction number line.xls
  • subtraction worksheet.xls

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Created: Aug 16, 2009

Updated: Feb 2, 2014

xls, 243 KB

Subtraction number line

xls, 72 KB

subtraction worksheet

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