Applying the linear equation Student activity Play

Applying the Pythagorean theorem Student activity 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

Approximate calculations of roots Student activity Play

Approximating area by rectangles Student activity Play

Approximating area by rectangles and trapeziums Student activity Play

Approximating area by trapeziums Student activity Play

Approximating areas of flat irregular figures Student activity Play

Approximating irrational numbers Student activity Play

Approximating surds Student activity Play

Approximating the area Student activity Play

Approximating the area under a line in the coordinate system Student activity Play

Approximating the root Student activity Play

Approximations by series expansions Student activity Play

Approximations of irrational numbers Student activity Play

Approximations of values of rational functions Student activity Play

Aquatic plants Student activity Play

Arbitrary denominators Student activity Play

Arbitrary shapes bounded by straight lines Student activity Play

Arbitrary translations of graphs of polynomials Student activity Play

Archaea (Archaebacteria) Student activity Play

Archimedes' Experiment Student activity Play

Archimedes' Principle Student activity Play

Archimedes' Principle Student activity Play

Arcs Student activity Play

Are all atoms of the same element identical? Student activity Play

Are all trigonometric functions really necessary? Student activity Play

Are there any solutions? Student activity Play