3 red balls + 2 blue balls will total 5 balls in total when adding them up.
4 red balls + 3 blue balls will total 7 balls in total when adding them up.
5 red balls + 3 blue balls will total 8 balls in total when adding them up.
6 red balls + 5 blue balls will total 11 balls in total when adding them up.
15 red balls - 9 blue balls will total 6 balls in total when adding them up.
14 red balls - 6 blue balls will total 11 balls in total when adding them up.
7 red balls - 2 blue balls will total 11 balls in total when adding them up.
13 red balls - 7 blue balls will total 11 balls in total when adding them up.
Why More examples
This part of the site is to help you learn. Your subtraction and addition problems will allow you to learn your subtraction and additions tables.