Bridges Blog Archive for Number and Operations

Exciting Misconceptions

Are you wondering how in the world a student’s misconception could stir enthusiasm in their teacher?


Anchor Chart Assessment

Teacher Question: I’m not sure whether my students really understand the models and strategies that we’ve been talking about this year. Do you have any ideas about how we might assess them?


Fluency: Accurate, Efficient & FLEXIBLE Thinking

As a math coach, few things excite me more than seeing children develop mathematical fluency: efficient, accurate, and flexible ways of learning.


Multiplying by 11s and 12s

Multiplying by 11s and 12sWhen we began the sessions that work on multiplying by 11 and 12, (Supplement A2) my students insisted they already understood these facts completely. “There’s a pattern, Mrs. Bluemel,” or “Mrs. Bluemel, there’s a trick to it!” They were confident; I was skeptical.


Spider Growing Pattern

Alison Fox Mazzola, Math Specialist at St. Matthew's Episcopal Day School in San Mateo, California, submits a tip for early grade teachers:


Ratio Tables Help Students to Think Mathematically

Jeffrey's Frykholm's book, Learning to Think Mathematically With the Ratio Table, inspires educators to consider ways to use ratio tables to promote student understanding.  The book's overview notes:


The GREAT Wall of Base Ten

Working with fourth and fifth grade Bridges, I've seen many examples of The Great Wall of Base Ten, from units two and six. The lessons invite students to explore place value, decimals, and the powers of ten.


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