Add a digit to a multiple of 100 (bar model)

Add a single digit number to a multiple of 100, with bar models to help.

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Add a single digit number to a multiple of 100, with no additional help.

Add a 2-digit number to a multiple of 10, with no additional help.

Add a 2-digit number to a multiple of 10, speed challenge.

Add a single digit number to a multiple of 100, with no additional help.

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