Problems at this level include a review of 3rd grade math and practice in the topics usually introduced at the 4th grade level. In the 10 questions for each day, concepts of numbers, computation, application, and mixed practice are covered. Sample questions chosen at random include the following: Increase the tens place by one in the number 23,460. What is the area of a square that is 4 feet on a side? What number when multiplied by two becomes 22? AZ, AY, AX, ____. What comes next? If I put five red marbles and one green marble in a bag, what are my chances of picking a red marble? Write it as a ratio.