Company Slate Science created these great apps:
SlateMath for Kids - Kindergarten and 1st Grade Games, עשר אצבעות – משחקי חשבון לגן וכיתה א, Matific - Educational Math Games For Kindergarten and Elementary School, עשר אצבעות: משחקי חשבון לביה״ס, Matific for School: Math Games, Matific Club Maths Games for Grade 1: Kids can practice counting, addition, subtraction and other recommended maths skills., Matific Club Maths Games for Kindergarten: Kids practice numbers, counting, comparison, patterns & addition., Matific Club Maths Games for Grade 2: Kids practice numbers, addition, subtraction & mixed operations., Kindergarten Matific Maths Games: Kids practice numbers, counting, addition and other recommended maths skills, Grade 1 Maths Learning Games - Matific Club, Grade 2 Maths Learning Games - Matific Club, Grade 3 Maths Learning Games - Matific Club, Matific Galaxy - Kindergarten, and others..
