Addition and subtraction game are best to start within kindergarten and preschool. Addition games have two variants, counting up to 10 and up to 20. Images are randomly dispersed on the layout. Kids need to count images and type correct number below. In this example, count galaxies and type 6 below.
Addition and subtraction game is also presented in two variants, up to 10 and up to 20. Kids need to count only images without crosses. Crossed images are not counted but help in the understanding of subtraction. Since only one flower is not “crossed and subtracted”, answer is one for this example.