Missing Change Stories is a free printable Grade 1 maths worksheet on join-change problems, where the change is unknown, aligned to Common Core standard 1.OA.A.1. It prints 6 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
Set 6 of 25 · the same problems every time you open this link.