### My Addiction Feed

- Talking Math with Your Kids
- The Recovering Traditionalist
- Marilyn Burns Math Blog
- Teaching to the Beat of a Different Drummer
- The Learning Kaleidoscope
- Traditionalist Becoming Non-Traditional
- Becoming the Math Teacher You Wish You'd Had
- Following Learning
- dy/dan
- Math Minds
- Elementary Teacher in Middle School
- Exit 10A
- Bridging The Gap
- Robert Kaplinsky
- emergent math
- Under the Dome
- Overthinking my teaching
- Divisible by 3 [Andrew Stadel]
- Finding Ways

# Category Archives: counting

## 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, K-2, 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, K-2, 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.4-6) Karen is a phenomenal 1st grade teacher. Being new to the … Continue reading

Posted in counting, Strategy Development, Teacher Content
Tagged 1st grade, C-R-A, counting, imaging
24 Comments

## K-1 Number Sense Trajectory

Before I travelled to NCTM I was finishing up some district PL with K-1 teachers. As part of the workshop, teachers were asked to engage in a Number Sense Trajectory Cut-N-Sort match header and descriptor place in the order that students … Continue reading

Posted in counting, K-2, Math Progressions, Number Sense, Planning, Teacher Content
Tagged comparison, counting, professional learning, subitizing, Trajectory
7 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