Add the numbers using different methods Student activity Play

Adding and subtracting arbitrary decimals Student activity Play

Adding decimals using the written method Whiteboard exercise Play

Adding decimals using the written method Student activity Play

Adding decimals using the written method Student activity Play

Adding decimals using the written method Whiteboard exercise Play

Adding natural numbers using the written method Student activity Play

Adding using the written method Animation Play

Adding using the written method Whiteboard exercise Play

Advantages and disadvantages of using renewable energy sources Animation Play

Approximating the area using strips Animation Play

Approximating using the tangent Simulation Play

Approximation using the secant method Simulation Play

Balancing equations for redox reactions in acidic solution using half-equations Animation Play

Balancing equations for redox reactions in acidic solution using half-equations Whiteboard exercise Play

Balancing equations for redox reactions in acidic solution using half-equations Student activity Play

Balancing equations for redox reactions in alkaline solution using half-equations Animation Play

Balancing equations for redox reactions in alkaline solution using half-equations Student activity Play

Box plot and outliers Student activity Play

Calculating expressions using a calculator Whiteboard exercise Play

Calculating the integral using partial fractions Whiteboard exercise Play

Calculating the masses of reactants using chemical equations Student activity Play

Calculating the masses of reactants using chemical equations Whiteboard exercise Play

Calculating values of expressions using a calculator Animation Play

Calculations using the speed equations triangle Whiteboard exercise Play