Addition with and without regrouping

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What does regrouping mean in addition?

Back

Regrouping is when you rearrange numbers in addition to make it easier to add, especially when the sum exceeds 10.

Front

What is the sum of 63 and 27?

Back

90

Front

What is the sum of 39 and 16?

Back

55

Front

What is the sum of 38 and 12?

Back

50

Front

What is the sum of 54 and 37?

Back

91

Front

What is the sum of 80 and 19?

Back

99

Front

How do you add numbers without regrouping?

Back

You simply add the digits in each place value column without carrying over any values.

Front

How do you add numbers with regrouping?

Back

You add the digits in each column, and if the sum is 10 or more, you carry over the extra value to the next column.

Front

What is a place value?

Back

Place value is the value of a digit based on its position in a number.