Math-related resources and free stuff for teachers.
August 13, 2015
A student counts backwards and forwards on a number line with hidden digits.
In this one-on-one conversation, an English Language Learner in kindergarten explains his thinking while working through a number story about people getting on and off of the bus.
This video from our Focus on the Lesson series demonstrates an activity for teaching capacity in kindergarten and preschool. Students look at two containers and try to determine which one would hold more liquid.
A student organizes rocks into different groups based on their unique characteristics.
A kindergarten student organizes a collection of rocks into unique sets. Simple questions can result in explorations in core math concepts such as grouping. In this case, some very unusual groups are created.
A child makes different groups out of a collection of keys.
Children sort and re-sort each other, based on various attributes. This activity involves an open sort in which the categories can include a wide range of attributes that must be identified and described by the…
A child compares two small sets of wooden cubes.
A child selects a card with a given number of dots.
A child produces a small set of counters to match a shown quantity.