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Virtual color tiles manipulative to model math concepts such as area, perimeter, patterns, arithmetic, and more. ~ Features ~ * Unlimited red, green, blue and yellow squares * Easy to add, drag, rotate, and remove tiles * Convenient grid with snapping for easy alignment * Pen tools for annotations and labels * File saving ~ Math Topics ~ 1. Area2. Classifying and sorting3. Counting4. Equations and equivalence5. Estimation6. Fractions7. Integers8. Measurement9. Prime and composite numbers10. Patterns11. Square numbers12. Size, shape and color