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Student Instructions
1. Click on the 
and play the subtraction games. Start with the game subtracting from 20.
2. Then click on 
and complete the subtraction activities using the 
tool to draw in the jumps on the open number line.
3. When you have finished click the 
to 
.
Teacher Notes (not visible to students)
Links to Topmarks website. Assign different activities for different abilities.
