David & Lynda Olson Elementary School
Lots of games to support number sense. Teachers, check out the resources tab for downloadable games.
Math is Visual provides pictures of why doubling and halving works.
Buiding number sense through reasonableness by increasing student's estimation skills. These tasks can be used during number sense routines and intervention.
Early Number & Counting, Addition & Subtraction, Division, Multiplication, and Fraction progression videos.
Ready to go slides for grades K - 12 that focus on number sense.