November 17, 2021
Quantity is a particular amount of something, expressed as a number. Quantity cards for young children can have pictures of small sets such as dots, finger patterns, or 5- or 10- frames. The ones we have available on our site use a variety of pictures or "suits," since matching quantities such as fingers and dots can help develop ideas about equivalence.
What is cardinality? And how is it related to counting? The common definition of cardinality states that it’s the understanding that the last number word said when counting tells how many in all.
Children are naturally interested in birds, so springtime is the perfect opportunity for early childhood data collection activities. Here are some favorites, along with book recommendations.
To encourage teachers and other adults to use rekenreks, it's important to not only go over ways to use a rekenrek, but also we thought we would make sure everyone has opportunities to have them,…
Looking for new rekenrek activity ideas? Try voting with a rekenrek chart. In this video, we see a rekenrek chart used to solve a dilemma common to early childhood classrooms: choosing between two favorite books…
An ongoing professional development program with Denver Great Kids Head Start (DGKHS) shows the power of a multi-year partnership to build sustainable growth in math achievement for young children.
Cooking with kids is a natural way to do math together. But we're not talking about turning meal preparation into a formal math lesson. Cooking together presents an opportunity that is more about noticing and…
Instructional coaching is central to the Collaborative's professional development efforts. There is a lot to learn from what works and what doesn't when it comes to early childhood coaching strategies, particularly when focused on the…
Whether teaching in-person with social distancing or online, the number one question we hear from teachers is how to adapt preschool math games for remote learning. Here are some game ideas that work equally well…
The Collaborative interviewed three Chicago-area early childhood teachers who spoke honestly about the challenges and rewards of teaching during the pandemic.