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 it mean to regroup in addition?

Back

Regrouping in addition means to carry over a value from one place value to the next when the sum exceeds 10.

Front

What is the sum of 30 + 30?

Back

60

Front

What is the sum of 25 + 25?

Back

50

Front

What is the sum of 40 + 40?

Back

80

Front

What is the sum of 50 + 50?

Back

100

Front

What is the sum of 46 + 14?

Back

60

Front

If you add 10 to a number, what happens to the number?

Back

The number increases by 10.

Front

What is a place value?

Back

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

Front

What is the sum of 10 + 5?

Back

15