Addition ~ with 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 in addition means rearranging groups of ten to make adding easier, especially when the sum of a column is more than ten.

Front

What is the sum of 27 and 15?

Back

The sum of 27 and 15 is 42.

Front

How do you add 48 and 36 using regrouping?

Back

1. Add the ones: 8 + 6 = 14. Write down 4 and carry over 1. 2. Add the tens: 4 + 3 + 1 (carried over) = 8. The answer is 84.

Front

What is a carry in addition?

Back

A carry is a value that is transferred to the next column when the sum of a column exceeds ten.

Front

What is the first step in adding two-digit numbers with regrouping?

Back

The first step is to add the numbers in the ones place.

Front

If you have 56 + 27, what do you do when the ones place adds up to 13?

Back

You write down 3 and carry over 1 to the tens place.

Front

What is the result of 75 + 29?

Back

The result of 75 + 29 is 104.

Front

What is the purpose of using regrouping in addition?

Back

The purpose of regrouping is to simplify the addition process when dealing with larger numbers.

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 original numbers can be retrieved.