Double Digit Addition

Front

What is double digit addition?

Back

Double digit addition is the process of adding two numbers that each have two digits, such as 23 + 45.

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 23 and 45?

Back

The sum of 23 and 45 is 68.

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What do you call the numbers being added in an addition problem?

Back

The numbers being added are called addends.

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CCSS.6.EE.A.1

Front

What is the term for the result of an addition problem?

Back

The result of an addition problem is called the sum.

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CCSS.6.EE.A.1

Front

If you add 10 to any number, what happens to that number?

Back

The number increases by 10.

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CCSS.1.NBT.C.5

Front

What is 34 + 12?

Back

34 + 12 = 46.

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CCSS.2.NBT.B.5

Front

What is carrying in double digit addition?

Back

Carrying is when the sum of digits in a column is 10 or more, and you move the extra value to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 57 + 36?

Back

57 + 36 = 93.

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you add the tens place in double digit addition?

Back

You add the digits in the tens place together, and if the sum is 10 or more, carry over to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 29 + 15?

Back

29 + 15 = 44.

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5