Teachers try out and discuss activities and math games not online but in the classroom.
October 16, 2019
There are all kinds of things to count in pre-k to second grade classrooms. Counting Collections is an activity that develops the Big Ideas of number sense and counting, such as cardinality, one-to-one correspondence, and unitizing.
Traditions around food and feasts provide rich opportunities to connect math at school with children’s experiences at home. From Diwali to Thanksgiving, fall is a season of special meals with loved ones.
All members of a household have things in common and things that set them apart. Exploring the important ways that loved ones go together and what makes them unique involves both mathematical thinking and a…
Moving from one activity to another just got a lot more mathematical with this simple routine that builds early number sense with preschoolers.
Ellen Stoll Walsh's book Mouse Count can be used in the classroom to cover such broad-ranging topics as data analysis, number sense, and number and operations. Key concepts such as estimation can be explored and investigated.
Teachers in four schools recently experimented with a "problem stem" protocol for helping their children understand the math going on in the word problems they face in class. This was part of our Big Shoulders…
It’s autumn, which means there’s a feeling that cold weather is on its way. A small comfort in the changing weather is that it offers some opportunities for winter math activities.
Cutting paper hearts for Valentine’s Day math fun is a common, early experience with symmetry for many young children.
Counting is a complex task that is often taken for granted. As described in the Collaborative's book Big Ideas in Early Mathematics, there are two different types: rote counting and rational counting. While both are useful, "when young children develop rational counting skills they are armed with a tool that enables them to understand the concept of numerosity, to compare quantities of different sets, and eventually to engage in operations."
A Chicago-area teacher's intentional teaching and efforts to differentiate for students of varying ability and confidence resulted in a rich math lesson. Based on Audrey Wood's classic book The Napping House, students created their own books with the details and content unique to themselves.