Place Value to 20 Mystery Puzzle #2 – 1st Grade Math Center
- Summer
- Silver Key
- Place Value
- Gold Key
- Master Key
Description
This engaging mystery picture activity has students identify numbers to 20 using base ten blocks, then match each value to reveal a hidden image. A no-prep math center ideal for Kindergarten and 1st grade place value practice. Numbers featured: 6, 8, 10, 12–20. Builds tens and ones number sense skills.






