Three-Digit Addition

Front

What is three-digit addition?

Back

Three-digit addition is the process of adding numbers that have three digits, such as 504 or 221.

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CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the sum of 504 + 134?

Back

638

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 404 + 404?

Back

808

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 221 + 256?

Back

477

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 502 + 505?

Back

1,007

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 487 + 111?

Back

598

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you add three-digit numbers?

Back

Align the numbers by place value (hundreds, tens, ones) and add each column starting from the right.

Tags

CCSS.2.NBT.B.7

Front

What is a carry in addition?

Back

A carry occurs when the sum of a column exceeds 9, and you move the extra value to the next column.

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CCSS.2.NBT.B.7

Front

What is the place value of 5 in the number 504?

Back

The place value of 5 in 504 is 500.

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CCSS.4.NBT.A.1

Front

What is the place value of 2 in the number 221?

Back

The place value of 2 in 221 is 20.

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CCSS.4.NBT.A.1