Practice addition for numbers from 1 to 9999. • Categories: 1 digit, 2 digits, 2+1 digits, 3 digits, 3+2 digits, 4 digits • 4 difficulty levels - zero, easy, normal, hard • 2 swipe modes: 4 answer choices or 2 answer choices • Swipe (in the gray area at the bottom) in the direction of the correct answer • High scores are maintained for each combination of difficulty level, category and swipe mode • Works offline too Salient features and advantages of this math learning app: • Become a math ninja by improving your counting and addition skills • Make math fun for kids with game style learning • Use natural free style swiping to select your answer • Have a math workout making use of all the math tricks you know • Math quiz flash cards for quick mental math practice • Learn to use mental math instead of a calculator • This math trainer app helps improve your math speed by racing against the clock • Master math addition for all grades in school • Use this math learning app to revise before a mathematics test