Learn to see patterns in numbers with this handy chart. Kids will be prompted to skip count and color as they go.

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.

This cute little hermit crab is missing his sea shell. Connect the dots to give him a new home, and learn about odd numbers as you go!

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.