Column Addition with Carrying
When the ones make ten, carry one to the tens
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The key to column addition with carrying is “when the ones make ten, carry one to the tens”. The column demo runs step by step: add the ones first, write a little carried 1 above the tens when they make ten, and remember to add it when the tens turn comes. Tap “Next step” to walk through each move yourself.
Watch column addition step by step: add the ones first, and when they make ten write a little carried 1 above the tens — don't forget to add it when the tens turn comes. Tap “Next step” to reveal the process.