Add two 2-digit numbers in columns (no regrouping)

Column-form addition

Student name (optional)

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

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Problems

Numbers to add

Digits in each number

Regrouping (carrying)

Regrouping means carrying from one column into the next, like ones into tens.

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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.