IMG_3733... way to use dominoes (includes link to doc to print) to show problems that equal sums
Building Number Sense in Kindergarten and First Grade! Plenty of hands-on games and activities that have students identifying, ordering, and comparing numbers 0-20.
Gotta start saving those water bottle lids!! Great idea for a math center!
DIY: Simple Addition Machine
Shape Unit with craftivities for 11 shapes!
Love this idea for AM work: Number of the day chart- can be modified for different grades. I.e. multiply by, divide by, include fractions or decimals
Math Anchor Chart: Tally Mark Chant
Here's a terrific post about teaching time. Includes a large packet of resources.