Beginning Arithmetic 1 Teachers Manual Math Challenge Answer Key Level A Beginning Arithmetic Grade 1 Practice Sheets lessons 83 to 180 Working Arithmetic Teachers Manuel for Workbooks 1-2 Workbook 1 Workbook 2 Math Challenge Teacher Key Level B Level B Drills starting at lesson 12.2 Teacher manuals are in excellent condition Workbooks 1-2 are like new Math Flash Cards Reach out if you have questions! We are a homeschooling family and I am selling what we did not use or fully complete.