Logic Roots Dr Math Grade 1 Flash Cards To Build Concept Clarity,Memory And Recall Dr math flash cards for 2nd Grade have all major math facts that kids need to remember E.G. Multiplication tables, properties of 2D shapes etc It also addresses most common misconceptions that kids develop in select topics like date and time, number system Used by leading elementary schools, primary schools and homeschooling parents for kids' math learning and education Unique thumb lock design helps kids hold better and in proper direction Perfect for Grade 1 and above. Recommended by parents for kids 4-8 years age