Reinforce quick recall of addition facts with or without the Talking Hot Dots Pen!nSet includes 50 double-sided cards for 100 interactive math problems.nProblems cover addition facts 0-9.nWorks with the talking hot dots pen that responds instantly with glowing lights, speech, and sounds.nProvides immediate feedback, encouraging independent study sessions.nGreat for students needing extra reinforcement or those looking to get a leg up on the learning.nUse like regular flash cards in small groups, or with the talking pen for independent study.nPart of the best-selling, award-winning, parent-and-teacher recommended Hot Dots line of learning tools.nReinforce quick recall of beginning addition facts with or without Talking Hot Dots Pen. Features double-sided flash cards that students can use on their own, with a buddy, or in a group. Turn cards over to self-check. Supports addition fact fluency for numbers 0-9. Package doubles as storage box to easily send cards home with students who need extra practice. Works with Talking Hot Dots Pen, which provides audio and visual feedback that allows students to complete activities independently. Grades 1+.