Anzan19x19 vs SumFun Kids

Method of mental calculation of 19x19 Provides a completely new mental method of multiplication from 11 to 19 This method can be understood in a few minutes and can be calculated on the fly.Provides a new mental calculation method of multiplication from 11 to 19.

Make math exciting! SumFun turns everyday practice into a space-themed adventure that kids actually want to play. Practice all four operations: addition, subtraction, multiplication, and division. Choose which operations to focus on and adjust the number ranges to match your child's level. Two answer modes - pick from four choices for quick play, or type answers on the numpad for an extra challenge. Stay motivated with streaks - build answer streaks and unlock milestone celebrations at 5, 10, 15, and 20 in a row. Confetti flies when you score 80% or higher! Track your progress - see your accuracy, best streak, and a scoreboard of your top results. Multiple player profiles - siblings or classmates can each have their own settings and high scores on the same device. Customizable rounds - set 5 to 50 questions per round to fit any schedule, from a quick warm-up to a full practice session.