Three simultaneous inequalities Animation Play

Three states of water Illustration Play

Three states of water Animation Play

Three tears Animation Play

Three types of chemical reaction Student activity Play

Three types of cones Animation Play

Three typical shapes of histograms Animation Play

Three wheels Animation Play

Tossing three coins Animation Play

Two circles Student activity Play

Two circles Student activity Play

Two circles Simulation Play

Two circles Whiteboard exercise Play

Two circles Simulation Play

Two circles and a line Student activity Play

Two circles and a line Whiteboard exercise Play

Two circles externally tangent Whiteboard exercise Play

Two circles internally tangent Whiteboard exercise Play

Two internally tangent circles Whiteboard exercise Play

What are the differences between the three physical states of the same type of matter? Student activity Play

Which quadrant is the circle in? Simulation Play

Which quadrant is the circle in? Student activity Play