Subtract in columns (missing numbers)

Subtracting in columns (no regrouping)

Student name (optional)

Printed on the worksheet and the reward star. We never save it.

Choose a worksheet

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Problems

Digits in the top number

Regrouping (borrowing)

Borrowing means taking 1 from the next column when the top digit is too small, like 52 − 7.

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Sheet

Number of problems

Up to 25 fit on one page with these choices.

Worked example

Pictures

Game

Include answer key

Reward star

Paper:

Every click makes a new set of problems.