These 1st grade math worksheets provide essential practice with foundational number skills. Students will master finding ten more and ten less than two-digit numbers, plus addition and subtraction facts within 20. Each printable worksheet contains 50 targeted problems to build fluency.
Mixed drill worksheets combine multiple operations in a single practice set. Students solve 100 problems covering addition, subtraction, multiplication, and division facts, building fluency in choosing the right operation and computing quickly. Additional practice includes finding ten more and ten less within 100.
