Practice problem-solving with these easy to decode and differentiated math problems. These k, 1st and 2nd Grade One Step Addition and subtraction word problems can be used as math worksheets or task cards for math centres. Word problems include addition within 10, 20 and 30 and subtraction within 10, 20 and 30 and mixed addition and subtraction problems within 10, 20 and 30. Addition and subtraction word problems consist mostly of CVC words and sight words, perfect for early readers. Print and u