What's on this worksheet
Integers from −20 to 20, with at least one negative number in every problem. A negative number after the first is written in parentheses. Each sheet comes with an answer key on a separate page.
Teaching tips
- Same signs: add and keep the sign. Different signs: subtract and take the sign of the number farther from zero.
- Sketch a number line for the first few problems.
How to use this worksheet maker
Press New worksheet for a fresh set of problems, then Print. To save a PDF instead, choose "Save as PDF" in the print window. Every sheet has a short code in the bottom corner. Copy the link to a sheet and you can print exactly the same problems again later, which is handy for retakes and for sharing with other teachers.
Common Core alignment: 7.NS.A.1 (Grade 7).