Our colleague, Berkeley Everett has created some video prompts for the Same or Different? routine. I can’t embed those nicely in the galleries, so I’m creating a separate page for them. Be sure to check out his site, Math Visuals, to check out videos he’s made to beautifully illustrate a variety of early mathematics concepts.

Division: Groups and Array

Types of Division

Commutative Multiplication

Related Addition and Subtraction

Place Value (Adding 10 to 34 in two ways)

Place Value (of 42)

Comparing Squares, Rhombuses, and Rectangles:

Comparing equal groups (Commutative Property of Multiplication):

Comparing ten frames before and after the Make 10 strategy is used:

Comparing different arrangements when counting by 10s:

Comparing different arrangements when counting by 25s: