2-digit Addition and Subtraction

Front

What is 2-digit addition?

Back

2-digit addition is the process of adding two numbers that each have two digits, such as 34 + 25.

Front

What is 2-digit subtraction?

Back

2-digit subtraction is the process of subtracting one 2-digit number from another, like 76 - 29.

Front

What is the sum of 75 + 16?

Back

91

Front

What is the sum of 54 + 39?

Back

93

Front

What is 95 - 8?

Back

87

Front

What is 82 - 5?

Back

77

Front

Fill in the missing number: 45 + __ = 50

Back

5

Front

What does 'sum' mean in math?

Back

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

Front

What does 'difference' mean in math?

Back

The 'difference' is the result of subtracting one number from another.

Front

How do you check your addition?

Back

You can check your addition by adding the numbers in a different order or by using subtraction.