Addition & Subtraction Mastery This quiz tests your knowledge on basic addition and subtraction. Challenge yourself and see how much you remember! rihanna80 published on June 03, 2023 Stacked 1/10 What is 17 - 8? 7 9 11 14 2/10 What is 15 + 12? 24 22 20 27 3/10 What is 25 - 6? 4 19 21 17 4/10 What is 16 + 18? 31 34 30 37 5/10 What is 8 + 12? 20 18 14 16 6/10 What is 16 - 10? 6 8 4 10 7/10 What is 4 + 10? 14 11 16 18 8/10 What is 24 - 3? 21 19 22 25 9/10 What is 6 + 12? 14 18 16 20 10/10 What is 11 - 3? 13 8 9 7