Numbers & Operations in Base Ten

Build strong place value and number sense skills with engaging K–3 Numbers & Operations in Base Ten resources. Explore color by code activities, worksheets, centers, games, and printables focused on counting, comparing numbers, ten more ten less, place value, expanded form, regrouping, adding and subtracting within 100 and 1,000, number patterns, skip counting, and using base ten blocks. Perfect for math centers, morning work, homework, test prep, and independent practice.