Even and odd numbers illustrated quiz online for 1st , 2nd and 3rd grade review. This is an interactive online math quiz for children to review distinguishing between even and odd numbers. They are presented with a picture of squares which they have to count and tell if the outcome is even or odd. Hence counting skills are being reviewed as well. This is a MCQ test and being online makes it available freely at all times. Parents of children in that above level will find this useful.