Double Digit Addition and Subtraction

Front

What is double digit addition?

Back

Double digit addition is the process of adding two numbers that each have two digits, such as 22 + 34.

Front

What is double digit subtraction?

Back

Double digit subtraction is the process of subtracting one two-digit number from another, such as 60 - 15.

Front

What is the sum of 22 and 29?

Back

51

Front

What is the sum of 60 and 33?

Back

93

Front

If Chris had 60 cats and gave away 10, how many does he have now?

Back

50

Front

What is the sum of 59 and 11?

Back

70

Front

What is the sum of 51 and 21?

Back

72

Front

How do you carry over in addition?

Back

When the sum of a column is 10 or more, you write down the last digit and carry over the first digit 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, such as tens or ones.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction finds the difference between numbers.