Mathematics - Addition and Subtraction - Subtraction within 10 - Take Away Playground

Show a group of objects (adjustable 1-10 using a slider). The student clicks on objects to 'take them away' - clicked objects fade out with a poof animation. A number sentence updates in real-time: '7 - 3 = 4' (as they remove 3 from 7). A reset button restores all objects. The student experiments: '