- Introducing Intergalactic Multiples of Ten! An algebra game that challenges you to use multiples to carefully solve mathematical problems to launch rockets into space! Multiples of Ten uses Common Core aligned math. (Follows Common Core standard CCSS.MATH.3.NBT.A.3) Now these basic operations can be used to guide rockets into space and accelerate the space race. Try Intergalactic Multiples of Ten! Assess proficiency in multiples of ten according to educational standards. Rewarding levels of gameplay maintain engagement. You will forget you were doing math as you launch rockets into space! You may optionally buy reports analyzing questions missed about multiples of ten. Teachers and parents may find this optional feature particularly useful.