Sharpen your student's mental math, problem solving, and estimation skills by taking them through a year of estimating how many seasonal items are in a jar. By focusing on numbers through 100 and reviewing all areas of Kindergarten Math, the four hints for each jar lead young learners to the correct answer. This is a fun, challenging supplement to any Kindergarten Math program! You will get hints and ideas to use with your own jar and easy to find seasonal items. Create your own Estimation Stati