173 Subtraction Flash Cards Full Box Set | All Facts 0-17 | Color Coded

✅ AWARD-WINNING: Think Thank Scholar Math Flash Cards have won the 2019 Creative Child Product of the Year Award, 2019 National Parenting Product Award, 2019 Mom's Choice Award, 2019 Family Choice Award, 2019 Tillywig Brain Child Toy Award, 2019 Hot Diggity Award, and the 2019 National Parenting Center Seal of Approval. ✅ LEARN SUBTRACTION:  173 subtracting flash cards for primary school students in kindergarten and grades 1, 2, and 3. All facts 0-17, +2 bonus facts ✅ UNIQUE VISUAL AIDS:  Graphic illustration on back of card helps child clearly understand math fact; also includes color coded minuends for targeted practice ✅ SORT & ORGANIZE: Exclusive tab system allows adults to organize the cards their child has mastered vs unmastered. Each card includes one rounded corner and is the perfect size for faster sorting and orientation ✅ HIGHEST QUALITY: The pack of laminated math flashcards is made from high quality card stock and comes in an extra-sturdy box for storage ✅ TEACHING &a