Pick a lesson. Every exercise you pass builds a piece of your rocket and earns you 5 minutes of free time. Launch the rocket for 10 more.
The Fractions Rocket
Cakes, pools and scissors: what a fraction is and how to add, subtract, multiply and divide them.
The Algebra Rocket: notable products
Squares and rectangles instead of formulas: (a + b)², (a − b)², sum times difference, cubes and mental maths.
The Order Rocket: combined operations
Brackets, powers and fractions mixed together, and the order to solve them one step per line.
The Roots Rocket: radicals
Square and cube roots as sides of squares and cubes, taking factors out, adding and multiplying radicals, rationalising.
El cohete de la ortografía (in Spanish)
Spanish spelling, in Spanish: accents, b/v, g/j, the silent h, ll/y, capital letters and more.
For parents: the minutes are counted in this browser and are yours to honour however you like. Nothing is sent anywhere.