Brain Games: Calculation Pack
Brain Games is designed to help you improve your mental
capabilities by following a course of different tests and puzzles.
There are 13 in all, which test challenge your skills in mathematics.
Each of the 13 brain games are broken down into ten separate tests of
rising difficulty, and you can't progress to the next difficulty level
until you've finished the previous test. You're awarded stars out of
five depending on how many questions you get right and how quickly you
finish the brain games.