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Category Archives: counting
The Progression of Early Number and Counting
If you’re not a prek, kindergarten, or 1stgrade teacher, you need to find one and give them a hug after watching this video. They do the work of an army and many times their work goes unnoticed. There’s so much happening … Continue reading
Geometric Subitizing: A Different Kind of Number Talk
These Geometric Subitizing Cards have been in beta the past two years. I asked our buddy Joe Schwartz to take them for a test drive last spring and he reported back. Joe’s all in. How do they work? Let’s play… Last week I took them for … Continue reading
Conservation: The more things change, the more they stay the same
Every once in a while I stumble across Piaget’s 7 Conservation Tasks and then I move on. This week was different because my thoughts around conservation won’t go away. In a recent meeting with kindergarten and 1st grade teachers we discussed the importance of students being able to … Continue reading
Posted in counting, Estimation, K2, Making Math Accessible, Strategy Development, Teacher Content, Teaching in a Context
Tagged conservation, decomposing, Piaget, unitizing
5 Comments
The Progression of Addition and Subtraction
The more I create… the more I learn. Here is the 3rd installment of this whole Making Sense Series which has truly forced me to be a better teacher. A more educated teacher. I can’t stress enough how much I’ve … Continue reading
More Bang for your Buck: The Power of the Estimation Station
Time IS NOT on our side! In a 1st grade planning session I was asked,”How do we fit it all in?” I loved this question because it asked for a solution to problem we know exists. We collectively tackled this question … Continue reading
Posted in counting, Estimation, K2, Making Math Accessible, Math Tools, Number Sense, Planning
Tagged Andrew Stadel, comparing numbers, estimation, graphing, number lines, ordering numbers
8 Comments
The Sounds of Imaging Numbers
One of the most difficult standards for 1st grade students to own is the idea of adding or subtracting multiples of tens OR a group of ones. Without it…all other numbers fall apart. (1.NBT.46) Karen is a phenomenal 1st grade teacher. Being new to the … Continue reading
Posted in counting, Strategy Development, Teacher Content
Tagged 1st grade, CRA, counting, imaging
24 Comments
K1 Number Sense Trajectory
Before I travelled to NCTM I was finishing up some district PL with K1 teachers. As part of the workshop, teachers were asked to engage in a Number Sense Trajectory CutNSort match header and descriptor place in the order that students … Continue reading
Posted in counting, K2, Math Progressions, Number Sense, Planning, Teacher Content
Tagged comparison, counting, professional learning, subitizing, Trajectory
15 Comments
The Algebrafication of Kindergarten
Counting and cardinality is critical in kindergarten. Without it, all math fails. With that being said, counting can be extremely boring which causes many students to quickly lose focus. One thing I’ve tried to do this year is identify ways to engage … Continue reading
Posted in counting, Intellectual Need, Making Math Accessible, SMPs, Strategy Development, Teacher Content
Tagged Fawn Nguyen, manipulatives
3 Comments