Mixed Addition and Subtraction to 20 Level 4

Front

What is the result of adding two numbers together?

Back

The result of adding two numbers together is called the sum.

Front

What is the result of subtracting one number from another?

Back

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

Front

What is the sum of 5 and 5?

Back

The sum of 5 and 5 is 10.

Front

What is the sum of 10 and 2?

Back

The sum of 10 and 2 is 12.

Front

What is the difference when 4 is subtracted from 8?

Back

The difference when 4 is subtracted from 8 is 4.

Front

What is the sum of 11 and 3?

Back

The sum of 11 and 3 is 14.

Front

What is the difference when 4 is subtracted from 14?

Back

The difference when 4 is subtracted from 14 is 10.

Front

What is the maximum sum possible with two numbers that are both 10 or less?

Back

The maximum sum possible with two numbers that are both 10 or less is 20.

Front

What is the minimum difference possible when subtracting two equal numbers?

Back

The minimum difference possible when subtracting two equal numbers is 0.

Front

How do you check your addition?

Back

You can check your addition by reversing the operation and subtracting one of the addends from the sum.