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## Category: Mental Subtraction

## Subtraction by Counting On – M Weddell

## 2 digit difference – Mark Weddell

## How many to get to 100 – Mark Weddell

## Bowling – Count Us In

## Subtraction test – Ambleweb

## Digit menu – Crick

## 100 Square Hunt – Minus10 – ICT Games

## 100 Square Hunt -11 – ICT Games

## Count on Convict – ICT Games

## 10 less shoot out – ICT Games

## Soccer Subtraction – ICT Games

## Target Take Away – to 20 – ICT Games

## Subtraction Action – Kids Numbers

## Sum Sense – Oswego

## Bricks – Primary Resources

## Difference – NNS ITP