Multiple Digit Addition and Subtraction

Problems that look like...

Addition		Subtraction
	99 + 99		99 - 99

	999 + 99		999 - 99

	999 + 999		999 - 999

	9,999 + 999		9,999 - 999

	9,999 + 9,999		9,999 - 9,999

	99,999 + 9,999		99,999 - 9,999

	99,999 + 99,999		99,999 - 99,999

Regrouping

Problems do not require regrouping.
All problems require regrouping.
Some problems require regrouping (Most problems for larger numbers).
About half of the problems require regrouping.

Subtraction problems may require regrouping over zeros
The left-most digit on addition problems may add up to more than 9

Gridlines

Include gridlines (boxes) to help the student keep the numbers lined up.

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Multiple worksheets

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Memo Line

Number the Problems.

Include Answer Key