# Archive

### Geometric Subitizing: A Different Kind of Number Talk

The discussion cards posted on this site can be used to discuss counting and grouping strategies with students. This could be a great way to engage students using vocabulary around numbers and shapes.  Read More

### The Story of Two Words and One Simple Tweak to Get Students Talking

Teacher Sarah Van Der Werf shares some observations about attending to vocabulary in math instruction and shares a strategy for helping students access unfamiliar vocabulary in math class. Read More

### Thinking Routines

A variety of instructional strategies that can be used with various levels of math instruction. Prepared by Minnesota teacher Joe Cole. Read More

### Tweet Me, Maybe

Max Ray-Reik of the Math Forum suggests using Twitter for personalized professional development in this 5-minute talk. Read More

### Visual Patterns

A gallery of visual patterns can be used with students exploring algebra. Fawn Nguyen, the teacher behind the site, also documents her students' discussion of the patterns at mathtalks.net. You can also read about how ABE teachers are using the patterns. Read More

### Rethinking How We See Mistakes

Math teacher Audrey McLaren writes about encouraging students to make and learn from mistakes. She recommends specific strategies for changing a classroom's culture around mistakes. Read More

### Progression of Early Number and Counting

What is an instructional progression that leads to conceptual understanding of counting and numbers? This 8-minute video lays out a progression for children learning these concepts, but ABE teachers of students with beginning numeracy will find useful ideas here. Read More

### Purposeful Numberless Word Problems

In these blog posts, Brian Bushart addresses types of word problems and a strategy for instruction. Read More

### One Formula to Rule Them All

Before you teach another formula for area of a 2-D shape, check out the "applets" on this page. Teachers who do not have access to internet in their classroom can learn from the animations and do a similar demonstration with paper. Read More

### Playing Uno: The “Combine Like Terms” Version

Instructions and printables for a "combine like terms" UNO game. Read More