Put your second grader's number skills to the test! This charming worksheet asks him to fill in the numbers missing on the balloons--from 100 to 150.

Don't get crabby about counting! This cute crab is here to help you learn your "greater than" (>) and "less than" (<) symbols for comparing numbers.

Familiarize yourself with tens and ones place in this foundational exercise.

Match words to visuals in this helpful base ten worksheet!