This official Math Kangaroo book for 3rd and 4th grade students contains 312 entertaining problems and solutions from actual the Math Kangaroo Competition even years, spanning 1998-2022, for a total of 13 tests. Each test consists of 24 questions divided into color-coded 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.