Curated OER
Twice the Rice, or More?
Students review the metric and customary systems of measurement. In groups, they experiment with rice to discover the difference between the two systems. They record their observations on a worksheet and examine how capacity differs. To...
Curated OER
Kernel Count!
Here is an impressive and thorough lesson on estimation. Young mathematicians estimate how many kernels of popcorn can fit in a tablespoon, then how many tablespoons of kernels can fit in a baby food jar. The popcorn is then popped. All...