Addition and Subtraction 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 is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What does regrouping mean in addition?

Back

Regrouping in addition means carrying over a value from one column to the next when the sum exceeds 9.

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing from the next column when the top number is smaller than the bottom number.

Front

Calculate the sum of 234 and 567.

Back

801

Front

Calculate the sum of 678 and 543.

Back

1221

Front

Subtract 567 from 892.

Back

325

Front

Calculate the sum of 123 and 456.

Back

579

Front

What is the sum of 345 and 278?

Back

623

Front

What is a sum?

Back

A sum is the result of adding two or more numbers together.