Learn-to-Solve Word Problems Card Sets;Best-selling Hot Dots is available in math word problem card sets! Each card includes questions that guide students through the thought process behind solving word problems.Touch the interactive Hot Dots pen (not included) to the correct answers for an auditory response.Grades 1-6/Ages 6+;EI-2766 Grades 4-6.$19.99;The nitty-gritty; 40 double-sided word problem cards included, each featuring three or four multiple choice questions; Each card measures 20cm x 20cm !; Guides students through word problem thought process; Works with interactive Hot Dots Pen