Multidigit addition 2

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What is multidigit addition?

Back

Multidigit addition is the process of adding numbers that have more than one digit, such as 23 + 45 or 8921 + 390.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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What is the sum of 8921 and 390?

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9,311

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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What is the sum of 6543 and 8574?

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15,117

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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What is the sum of 57,789 and 52,493?

Back

110,282

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CCSS.4.NBT.B.4

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What is the sum of 693 and 787?

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1,480

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CCSS.2.NBT.B.7

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What is the sum of 326,985 and 490,543?

Back

817,528

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CCSS.4.NBT.B.4

Front

How do you carry over in addition?

Back

When the sum of a column exceeds 9, you carry over the extra value to the next column on the left.

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CCSS.2.NBT.B.7

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What is the importance of place value in multidigit addition?

Back

Place value helps us align numbers correctly and understand the value of each digit based on its position.

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CCSS.2.NBT.B.7

Front

What is a common mistake in multidigit addition?

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A common mistake is misaligning the numbers, which can lead to incorrect sums.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in solving a multidigit addition problem?

Back

The first step is to align the numbers by their place values (ones, tens, hundreds, etc.).

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CCSS.2.NBT.B.7