Easter Math Mystery – 1st Grade Place Value & Addition Within 20 Make Easter learning FUN with this engaging 1st Grade Math Mystery FREEBIE!Your students will solve The Case of the Missing Golden Egg by practicing essential math skills like Place Value (Tens and Ones) and Addition & Subtraction within 20 — all in a fun detective-style adventure! This NO PREP Easter math activity keeps students motivated while reinforcing important Common Core standards. What’s Included ✔ Clue #1: Place Val