Work on the double ten frame with Dotson and Mrs. Gray, then compose numbers 11-19. Join Mrs. Gray for a Numeracy Talk with Dotson working on the double ten frame. We compose numbers 11-19 using 10 ...

When I teach Calculus, I often begin by comparing the difference between Calculus and Discrete Math to the difference between the individual frames of an old-fashioned movie tape and the movie when ...