This is an excellent, quick, and versatile CCSS (CA) standards-based activity to give students as: 1. Morning Work: Students solve while you are taking attendance, collecting homework and/or school paperwork, or last-minute prep for your day. 2. Standards-based homework: Rigorous content you can send home with students as a quick, formative check. 3. Spiral review: Great review as you get closer to state testing! 4. Planned or POP Quiz! Although this is a fifth-grade standard activity, it can b