Online game Sum Puzzle: Arithmetic will help you train your oral numeracy skills. You need to click on blocks with numbers to get a certain amount. Take action to move from level to level and earn ...
Others are more like logic puzzles and challenge you to look for a pattern ... 5 + 8 + 8 + 9 = 30. Answer: 4. The sum of the stamps of the same color combinations always equals 10. 1 + 9, 10 + 0, 3 + ...