Grade 1 Math Worksheets - Mathinenglish.com Number bonds, 3 addends. Mixed Add & Subtract up to 20. Addition Number lines. ... The whole number worksheets include counting numbers up to 100 worksheets, first grade math worksheets with number patterns, odd and even numbers up to 100 worksheets, and ordinal numbers up to 20th worksheets. ... first grade geometry and basic shapes, easy ...