Pre-k and Kindergarten missing numbers 11 to 20 game - By now students must have learned how to count up to twenty. Once this skill is mastered, students will understand the positions of different numbers. In this game, students have to find the missing numbers in a sequence up to 20. This is in line with the topic of number lines in which students find missing numbers on a number line up to 20. This is also a fun math activity given that student can play a game alongside solving math problems. At the end of the exercise, students will get instant feedback on their performance in the game. This kindergarten math game is also relevant with numbers activities studied in 1st, 2nd and 3rd grades. Parents and teachers can use this activity while at home or in the classroom.