These 5 hands on math centers are favorite ideas for building and developing number sense at home or in a preschool, kindergarten, or first grade classroom. Use at an independent station or center or for math tubs, morning work or teaching small groups. The math mats & loose parts reflect seasonal themes for fall, winter, & spring. Inspired by Reggio provocations, but applied to a public school setting, these activities extend whole and small group lessons & are fun alternatives to…