Adding Multiple Two-Digit Numbers by Decomposing

Adding Multiple Two-Digit Numbers by Decomposing

Assessment

Interactive Video

Mathematics

1st - 6th Grade

Hard

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This lesson teaches how to add more than two two-digit numbers by decomposing them into tens and ones. It explains the commutative property of addition and provides examples using jelly beans and a bike trip to illustrate the concept. The lesson concludes with a summary of the decomposition method.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final total of jelly beans James ate?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process Estefani used to find the total miles she rode.

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