How to play Candy Corn Estimation Jar
- Fill a clear jar with small objects and set it where everyone can see it.
- Show a "reference" jar or cup with a known number of objects (for example, 25).
- Each student writes an estimate on a sticky note and one sentence about how they estimated.
- Line the sticky notes up on the board from smallest to largest.
- Count the objects together in groups of ten. The closest estimate wins.
Variations
- Valentine's Day: use conversation hearts.
- Middle school: estimate volume, then calculate the percent error of the class average.
π‘ Teacher tips
- Counting in groups of ten makes the reveal a mini place-value lesson.