Teachables Number Rack - Teacher Demonstration ToolThis large Number Rack (Rekenrek) features two rows of 10 wooden beads each, alternating red and white, enabling students to easily count, add, and subtract using groups of five and ten. Educational Benefits: Develops number sense by visualising groups and quantities. Supports addition and subtraction strategies based on 5s and 10s. Enhances fine motor coordination through bead movement. Reinforces early arithmetic skills and mental math fluency.