Rounding numbers to the nearest 10 online game quiz. This is an activity in which students will learn how to round up numbers to the nearest ten. This quiz is a gap-fill exercise and kids can get initial review offline before taking the test. There are also printable tests under the worksheets section in which kids can learn how to round up numbers. Feedback on this quiz is instant and can be printed out in the end. Teachers and parents will find this a useful resource for reviewing with kids in 2nd, 3rd and 4th grades.