As set out by the National Governors Association (NGA) and the Council of Chief State School Officers (CCSSO) in the Common Core State Standards Initiative. For more information, please visit the Operations and Algebraic Thinking domain at the Common Core State Standards website.
May 19, 2021
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, whatever the budget.
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 at story time.
A good sense of the number ten is critical for building young children’s reasoning strategies. Here we see kindergarteners making the number ten on a rekenrek, a tool with red and white beads in groups of 5s with 10 beads on each row.
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 wondering rather than teaching.
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 teaching of early mathematics.
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 in person or online.
The Collaborative interviewed three Chicago-area early childhood teachers who spoke honestly about the challenges and rewards of teaching during the pandemic.