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What is multi-digit addition?

Back

Multi-digit addition is the process of adding numbers that have more than one digit, typically involving carrying over values from one place value to another.

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CCSS.2.NBT.B.7

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What do we do first when adding multi-digit numbers?

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We start by adding the digits in the ones place.

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What is the sum of 315,999 and 265,263?

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581,262

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What is the sum of 423,104 and 69,248?

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492,352

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What do we add after completing the ones place in multi-digit addition?

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We add the tens place.

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What is the sum of 5,176 and 87,298?

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92,474

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What is the sum of 329,866 and 472,234?

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802,100

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When adding multi-digit numbers, what is carrying?

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Carrying is the process of transferring a value from one place value to the next when the sum exceeds 9.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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What is the place value of the digit 7 in the number 57,432?

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The place value of 7 in 57,432 is the thousands place.

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How do you check your work after adding multi-digit numbers?

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You can check your work by adding the numbers again or by using estimation to see if the sum is reasonable.

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