Grades 4 - 6. Hot Dots in a math word-problem card set. Each card includes several 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. Set covers addition, subtraction; multiplication; division; rounding; estimating; number properties; fractions; decimals; money, time; length; weight; temperature; geometry; congruency; symmetry; patterns & functions; graphs & data; probability; and more.