4th grade addition quiz online – This is for fourth graders to practice skills like: addition of numbers up to millions, addition of three numbers, estimate the sums of numbers to the nearest hundreds or thousands, addition word problems, add and find missing numbers. By this level kids must have learned a lot of skills related to addition. The focus here is using the same skills with larger numbers up to millions. This will serve as an interactive online math test for students. It will facilitate monitoring by tutors and parents who can check as scores are tracked. Click and begin the exercise.