Alkaline earth metals. Group 2 Class activity Play

Amplitude of the trigonometric functions Whiteboard exercise Play

Appearance of the dates Whiteboard exercise Play

Applying double-angle formulas to prove a trigonometric identity Whiteboard exercise Play

Applying the sum and difference identities for the sine and cosine Student activity Play

Applying the sum and difference identities for the tangent Student activity Play

Applying trigonometric identities to equations Student activity Play

Applying trigonometric identities to equations Whiteboard exercise Play

Are all trigonometric functions really necessary? Student activity Play

Arrangement of chemical elements in the periodic table Student activity Play

Arrangement of the elements in the periodic table Whiteboard exercise Play

Arrangements by the table Animation Play

Arrangements by the table Student activity Play

Atomic mass of an element Animation Play

Atomic mass of an element Student activity Play

Atomic masses in the periodic table Student activity Play

Balls on a billiards table Animation Play

Bar chart Whiteboard exercise Play

Basic periods of trigonometric functions Student activity Play

Basic trigonometric equation Animation Play

Basic trigonometric equation Whiteboard exercise Play

Basic trigonometric equations Animation Play

Basic trigonometric equations involving the sine and the cosine functions Student activity Play

Basic trigonometric equations involving the sine function Animation Play

Basic trigonometric functions Whiteboard presentation Play