Did you know that alligators like to eat bigger numbers? Help your mini math star master his 'greater than' (>) and 'less than' (<) signs.

Help your students use their knowledge of place value to add or subtract 10. By understanding how numbers are made of tens and ones, students learn how to add and subtract 10 with ease.

This number challenge will help reinforce number sense in kids who've mastered their counting.

Has your little math whiz mastered the hundreds chart? Give him a fun challenge with these fill-in-the blank pieces of the chart.

Understanding place value is fundamental to developing and mastering number sense skills. Use this assessment activity to evaluate how your first graders are coming along in their understanding of place value using tens and ones.