Changing the subject Whiteboard exercise Play

Changing the vertex form of the function into the factor form Whiteboard exercise Play

Characteristic points on the sine function graph Animation Play

Characteristics of living organisms Student activity Play

Characteristics of pteridophytes Slideshow Play

Chloroplasts and chlorophyll in the process of photosynthesis Student activity Play

Chromoplasts – "aged" chloroplasts Slideshow Play

Classification of plant tissues Slideshow Play

Classification of plant tissues Student activity Play

Coefficient of  x  squared Whiteboard exercise Play

Coefficients in the general form of the function Whiteboard exercise Play

Combined quadratic inequalities Student activity Play

Common characteristics of living organisms Slideshow Play

Comparing numbers Animation Play

Comparing parabolas Simulation Play

Comparing the graphs of the sine and the cosine Student activity Play

Comparing the position of function graphs Animation Play

Comparison of the graphs of the sine and the cosine functions Simulation Play

Completing the LHS of quadratic equations Animation Play

Composed transformations of graphs using absolute values Student activity Play

Composition with a constant function Student activity Play

Computing the square roots Whiteboard exercise Play

Constant rational function Whiteboard exercise Play

Constructing the graph of the cosine function Animation Play

Constructing the graph of the cosine function Animation Play