Adding Multi-Digit Numbers

Adding Multi-Digit Numbers

Follow the steps to add multi-digit numbers using different strategies, and understand each intermediate step.


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自由形式の質問1

For big numbers, do you think that one of the methods is better than the other? Why?

テキストと数式入力

自由形式の質問2

Some people can add large numbers together in their heads. What mental tricks could they be using?

テキストと数式入力