These print-and-go math worksheets cover place value, tens more, ten less, 1 more, and 1 less. These are great for homework, reinforcement, and group or independent work. These are great first-grade math worksheets that can be used as supplemental activities. Comes with answer keys!BUNDLED FOR CONVENIENCEYear-long 1st Grade Math Worksheets Save 25%UNIT 4 Bundle Save 20%.These worksheets cover:Tens and onesgiven a two-digit number, mentally find 10 more, 10 less, 1 more, 1 lessOTHER RESOURCES: