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.