2-Digit Addition and Subtraction with and without Regrouping

Front

What is the result of 51 - 27?

Back

24

Front

What is 28 + 70?

Back

98

Front

What is the process of regrouping in addition?

Back

Regrouping in addition is the process of carrying over a value from one column to the next when the sum exceeds 10.

Front

What is the result of 93 - 27?

Back

66

Front

What is 50 + 25?

Back

75

Front

What is the result of 97 - 86?

Back

11

Front

How do you perform addition without regrouping?

Back

To perform addition without regrouping, simply add the digits in each column without carrying over any values.

Front

What is the definition of subtraction?

Back

Subtraction is the operation of finding the difference between two numbers.

Front

What is the result of 70 + 28?

Back

98

Front

What does it mean to have a number 'left' after subtraction?

Back

Having a number 'left' after subtraction refers to the remaining quantity after a certain amount has been taken away.