Addition with regrouping

Front

What is addition with regrouping?

Back

Addition with regrouping is a method used when the sum of two digits in a column is 10 or more, requiring us to carry over to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What do we do when the sum of the ones place is 10 or more?

Back

We carry over 1 to the tens place and write down the remaining value in the ones place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 50 + 57?

Back

107

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 46 + 27?

Back

73

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 83 + 36?

Back

119

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 14 + 33?

Back

47

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 72 + 19?

Back

91

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you check your addition?

Back

You can check your addition by adding the numbers again or by using subtraction to see if the difference matches the original numbers.

Tags

CCSS.2.NBT.B.7

Front

What is a digit?

Back

A digit is any of the numbers from 0 to 9 used to represent numbers.

Tags

CCSS.1.NBT.A.1

Front

What is a two-digit number?

Back

A two-digit number is a number that has two places, such as 10 to 99.

Tags

CCSS.1.NBT.A.1