Laminate and display this puzzle to encourage students to think deeply about how each group of circles is the same and different. This works as a great hook when introducing the concept of odd and even numbers.

Students review odd and even numbers by circling them, then counting up how many they find.

Let's get to the math lab and figure out these numbers. Your second grader will do counting, coloring and writing while learning about odd and even numbers.

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.

In this 2nd grade math worksheet, your child will practice writing odd numbers and counting by 2 from 101 to 161 as they write the missing numbers in the spaces.

In this 2nd grade math worksheet, your child will practice writing even numbers and counting by 2 from 90 to 150 as they write the missing numbers in the spaces.

This second grade math practice worksheet is a double whammy. She'll solve each subtraction problem, and then determine whether the answers are odd or even.

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

On the surface, this worksheet is all about double-digit subtraction, but it also challenges your second grader to practice identifying odd and even numbers!