This year I decided to add the 0-120 number grids to my K-2 estimation jar. The number grids come from our Math Medley kits and kids can use dry eraser markers to “think” as they’re working out their estimation. Of course, there’s the thinking paper and the referents, as well.
The estimation jar is a huge draw at a Family Math Night event. In the following video I share tips on setting up your estimation table. If you are interested in using the estimation jar in your classroom, click here for a great video that focuses on using the estimation jar to develop number sense. .
We spend more time estimating with numbers than actually crunching them. Estimation Jars are great ways to help kids learn to make reasonable estimates. And to help, check out our NEW Estimation Jar Slips! Copy/paste this link to get the pdf. And feel free to share with others! http://www.familymathnight.com/pdf/EstimationJarSlips.pdf
Above are the two estimation jars we used at a recent family math night event. Below are the estimation slips students filled out. Click on the image to print a copy.
Have your kids been watching the summer Olympics? Are they itching to see how far they can jump or throw objects? In honor of the 2012 Summer Olympics, we’re going to give our kids a chance to compete in their own track and field events…and sneak in a little math while we’re at it! For each of the events below, use masking tape to indicate the starting line. Give kids an opportunity to practice each of the events before the…