In this mixed addition and subtraction worksheet, 2nd graders find the sums and differences in 15 problems. They add and subtract one and two digit numbers between 1 and 100, submit and enter them online, or print the page.

Help your sixth graders reach their Common Core math standards by providing them with a checklist of "I can" statements for each standard. As each concept is covered, kids can check it off, as long as they can do what it states. 

Students explore the calculator utility function on a Macintosh computer.  In this calculation lesson, students launch the calculator feature and complete a problem solving worksheet.