Boost your second grader's math skills without boring him! Challenge him to solve seven subtraction problems, and then identify which answers are odd and even.

Don't let your second grader's math practice go to waste! This double-digit subtraction exercise also challenges her to identify odd and even numbers.

Build a solid foundation for multiplication by helping your second grader practice recognizing number patterns.

Can your second grader track down the odd numbers, and write them on sections of the caterpillar's body?

In this Halloween maze, follow the even numbers out of this scary graveyard. But watch out -- there are odd numbers waiting to trip you up!

Welcome to the laboratory. Here your child can count and color as they decide if these numbers are odds or evens.

Here's great practice for odd and even numbers that are below 100. Students count and color as they get familiar with identifying odds and evens.