Double Digit Addition

Front

What is double digit addition?

Back

Double digit addition refers to the process of adding two numbers that each have two digits, resulting in a sum that can be either a two-digit or a three-digit number.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is the sum of 26 and 54?

Back

The sum of 26 and 54 is 80.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is the sum of 38 and 42?

Back

The sum of 38 and 42 is 80.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is the sum of 67 and 15?

Back

The sum of 67 and 15 is 82.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is the sum of 25 and 36?

Back

The sum of 25 and 36 is 61.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is the sum of 12 and 59?

Back

The sum of 12 and 59 is 71.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What strategies can be used to add double digit numbers?

Back

Strategies include breaking numbers into tens and ones, using number lines, and regrouping.

Tags

CCSS.2.NBT.B.7

Front

How do you break down the number 54 for addition?

Back

54 can be broken down into 50 (tens) and 4 (ones).

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Front

What is regrouping in addition?

Back

Regrouping is the process of carrying over a value from one column to the next when the sum exceeds 9.

Tags

CCSS.2.NBT.B.7

Front

What is the importance of place value in double digit addition?

Back

Place value helps in organizing numbers into tens and ones, making it easier to add them correctly.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4