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...
In Kindergarten, our kiddos learn their “Friends of Ten”. In other words, they learn all the combinations that make ten (ex., 2 + 8, 3 + 7, etc.). In 1st grade, as students begin learning their basic addition facts, they apply that knowledge in a strategy...
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...
A sweet friend recently reminded me of an activity I created and shared a number of years ago, and I decided to dust it off and extend it! I love activities that are flexible and repeatable, unlike worksheets that are pretty much one-and-done. These flexible number...
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