# Double digit subtraction

## Instructions

1. Type in the two 2-digit values within your subtraction into the two boxes provided (Note: The top number has to be larger than the bottom number). An area representing the top number will be seen.
2. If the subtraction requires to borrow ten then a slider will appear for you to slide a ten across, causing an overlap of colour.
3. Use the subtract slider to separate the coloured area representing the lower number, leaving an area representing the result.

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