Math Skills for Kids Pre-Kindergarten to sixth Grade is an awesome collection of free printable math worksheets for kids in Pre-Kindergarten, Kindergarten, First grade, Second Grade, Third Grade, Fourth Grade, Fifth Grade and Sixth grade. The ressources are organized by topics such as counting, addition, substraction, measurement units, sorting, ordering, and classifying, comparing, multiplication, exponents, place value, division, decimals, ratio, percent, prime factorization, fractions, algebraic thinking, integers, and geometry…