Basic Addition and Subtraction Mix - Super Teacher Worksheets This printable math worksheet is another version of mixed addition and subtraction math facts laid out horizontally. 1st and 2nd Grades View PDF Caterpillar: Addition & Subtraction (Within 10) Students will write the answers to the addition and subtraction facts on the caterpillar. Addends and minuends are all 10 or less. Kindergarten and 1st Grade