Hundred charts are very versatile tools in the elementary classroom. Working with the patterns on hundred charts helps students develop place value understanding. Hundred charts are also excellent tools for solving multi-digit addition and subtraction problems. There...
I remember being in a teacher’s classroom and the students were making equations to equal the number of the day, which was 44. I noticed that all the students were using just two numbers in their equations (40 + 4, 50 – 6, etc.). I wanted to try to push...
Ask teachers about problem-solving strategies, and you’re opening a can of worms! Opinions about the “best” way to teach problem-solving are all over the board. And teachers will usually argue for their process quite passionately. When I first...
Quick pop quiz. How many problem structures are there for addition and subtraction problems? If you said somewhere around 15 structures, you’re in the right ballpark. Unfortunately, students are often exposed to only the simplest structures. As teachers, we need...
Just a quick post about place value and how important it is for students to be able to decompose numbers by place value in different ways. Here’s what I mean. Typically, we think of 34 as 3 tens and 4 ones. That’s certainly true, but it can also be...
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