Written subtraction: crossing the hundreds boundary

The standard written method for subtraction, crossing the hundreds boundary. Remember that all working out should be shown.

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The standard written method for subtraction. All these are 3-digits take away 2-digits and all cross the tens boundary.

More on the standard written method of subtraction, with zeros in the tens column which can cause difficulties.

More subtraction using the standard written method.

Using the standard method to subtract 2-digit numbers.

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