Algebra
step function machines
Have fun exploring function machines.
2step function machines
Explore some more complex function machines.
Form expressions
Try to form expressions.
Substitution
Can you substitute letters and numbers?
Formulae
Explore formulae
Form equations
Try forming equations.
Solve 1step equations
Explore one-step equations.
Solve 2step equations
Solve two-step equations.
Find pairs of values
Can you find pairs of values?
Solve problems with two unknowns
Try to solve problems with two unknowns.