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 66 and 35?

Back

101

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 77 and 17?

Back

94

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 26 and 54?

Back

80

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 38 and 16?

Back

54

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 45 and 37?

Back

82

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you add two double digit numbers?

Back

Start by adding the ones place, then the tens place, and combine the results.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

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.

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the ones place in a number?

Back

The ones place is the rightmost digit in a number, representing single units.

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CCSS.4.NBT.A.1

Front

What is the tens place in a number?

Back

The tens place is the second digit from the right in a number, representing groups of ten.

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CCSS.4.NBT.A.1