Focused mostly on single digit addition within 10 and single digit subtraction within 10 with some 12 + and 12 - problems, these worksheets are great for math facts assessments, as review pages, homework, independent practice, and for building fact fluency. Review pages of mixed addition and subtraction strategies are also included for each strategy. The following strategies are included:Addition: + 0, + 1, doubles, doubles + 1, addition facts that equal 5 and 6, equal 6 and 7, equal 7 and 8,