National Council of Teachers of Mathematics
Nctm: Illuminations: Grouping and Grazing
A game that reviews grouping in fives and tens, and adding and subtracting. The instuctions are clear and include a video of how to play.
E-learning for Kids
E Learning for Kids: Math: Dinosaurs: Number: Groups
Students estimate and count to make equal groups using snacks and other food.
E-learning for Kids
E Learning for Kids: Math: Dinosaurs: Divisions and Number
Spot the Dinosaur needs your help to group his friends. Can you help him?
Illustrative Mathematics
Illustrative Mathematics: Sort and Count I
Young scholars will have fun moving around the room and comparing items using sorting cards. They will become familiar with the math vocabulary more/less/same and most/least.