This official Math Kangaroo book for 5th and 6th grade students contains 360 entertaining problems and solutions from the actual Math Kangaroo Competition even years, spanning 1999-2021, for a total of 12 tests. Each test consists of 30 questions divided into easy, medium, and difficult categories. The Math Kangaroo Competition is internationally recognized and takes place in over 100 countries worldwide with 6 million students participating. The competition is held once a year, always on the third Thursday in March, for any student in grades 1 to 12. For information about how to sign up or to find other books, visit www.mathkangaroo.org.