Mead Addition and Subtraction, Grades 1-2 (48078) 64 print-rich pages; Visual direction icons for young readers and answer keys Helps students with addition and subtraction with two, three, and four addends Improves proficiency in number formation, problem solving, and reading in the math content area Children work with place values (ones, tens and hundreds), number sense, fact families and regrouping Appropriate for Grade 1-2 level students