Three-Digit Addition

Front

What is three-digit addition?

Back

Three-digit addition is the process of adding numbers that have three digits, which can range from 100 to 999.

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

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What is the sum of 255 and 530?

Back

785

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

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What is the sum of 153 and 256?

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409

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

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What is the sum of 537 and 243?

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780

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

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What is the sum of 737 and 254?

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991

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

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What is the sum of 271 and 493?

Back

764

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How do you add three-digit numbers?

Back

Align the numbers by place value (hundreds, tens, units) and add each column starting from the right, carrying over if necessary.

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is carrying in addition?

Back

Carrying is when the sum of a column exceeds 9, and you move the extra value to the next column on the left.

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CCSS.1.NBT.C.4

Front

What is a place value?

Back

Place value is the value of a digit based on its position in a number, such as hundreds, tens, or units.

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CCSS.4.NBT.A.1

Front

What is the largest three-digit number?

Back

The largest three-digit number is 999.

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