Add and subtract with a place value table

Use the place value table to help add and subtract.

Related Resources

Mental addition and subtraction of 2-digit numbers. These are about as hard as you would expect to get without using written methods.

Problems in words. Not too tricky, but ask how they were done as this reveals a great deal about children's thinking.

Finding change by counting on.

Using place value grids with addition and subtraction.

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