These place value worksheets provide focused place value practice for 1st grade math, helping students master tens and ones place value with clear, skill-based activities. Use these worksheets as practice, review, or assessments! Place Value and Base-Ten Topics Covered: Writing to 120Counting to 120120 ChartsTeen NumbersPlace Values Tens and OnesComparing 2-Digit NumbersAdding 2-Digit to 1-Digit NumbersAdding 2-Digit Numbers to Decade NumbersAdding 2-Digit Numbers to 100Mental Math (10 More, 10