Math with Grin 678 is the second part of a method to learn and practice math while playing in an underwater adventure. AGES: between 6 and 8 years. More than 2000 different exercises. In the new game the creators of Pipo will solve thousands of exercises at different levels and earn rewards in the form of fruits to feed our alien friends. While they discover the underwater ruins they will practice: NUMBERING CENTENAS AND THOUSANDS Identify numbers: up to 100, hundreds and thousands. Complex number series. Relationship between numbers and spell hundreds and thousands. Greater than, less than. ADD AND SUBSTRACT Mental calculation Vertical operations with carried Test text problems MULTIPLY AND DIVIDE The multiplication tables Mental calculation Vertical operations Text problems of multiplications and divisions. GEOMETRY 2D polygons: square, triangle, pentagon, hexagon, rectangle, heptagon, octagon. 3D three-dimensional shapes and their characteristics: edge...