Estimate!

Have each child in the class take turns bringing home the "class jar." Encourage the kids to be super creative. They can bring in something they're collecting, whatever they'd like! Also, tell the kids to try not to repeat what other classmates have brought in, be original! Each student brings the jar back with something inside. Then, the whole class estimates how many objects are in the jar. Keep a box next to the jar. Have each child write their estimate on a piece of paper and stick it in the box. After each child writes their estimate, count the objects in the jar as a class. The student who brought in the jar gets to lead this part! Who came the closest? For a large class, you may want to have three jars, so everyone gets a turn. Three students take the jar home and bring it back the same day.