Are you looking for a purposeful warm up or number sense activity?! LOOK NO FURTHER! This download is perfect for partner work, independent handouts, or centers. It's also a learning tool! Have students bring their page to a group or carpet time and have conversations about HOW they KNEW the answer was correct or incorrect. I love to hear how different all of their reasoning is!
Students are asked to look over the equations and determine if the answer is correct or incorrect. The download comes with a page for addition and subtraction 1-20 and the answers. 80 pages total.