### The 10-Minute Routine that Skyrockets Number Sense

I will never forget my first day of student teaching when my host teacher put a 2-digit by 2-digit division problem on the board and asked the kids to mentally solve it. I’m not sure what her point is here because I’m sure they’ll all be stumped. After a couple of minutes of silent “think time” she…

### A Beginner’s Guide to Math Strategies – Part 1

A Continuum of Math Strategies Math strategies develop along a continuum (see the dashboard above).  We teachers can build students’ mathematical power by recognizing where they are on the strategy continuum, and helping them to move toward the most efficient strategies.The Institute for Mathematics and Education describes three levels of strategies for each operation (read more…

### Open Number Lines Explained

If Not the Algorithm, Then What? The summer before my school was implementing Common Core math standards, we all attended a 3-day training.  In 2nd grade we tackle “regrouping” (or borrowing and carrying) in addition and subtraction.  It’s a big deal for us, it’s our thing, and we’re proud to teach this critical skill. I…

### Math Fact Running Record

Today I’m linking up with Miss V’s Busy Bees to talk about assessment! Have you had this experience during math: “Everybody tell me what the answer to the problem is..” “Seventeen!” You think: Wow!  My kids are doing great with solving math facts. Then you go to test them only to find out that some…

### “In Betweens” Strategy

Problem: My students spent so much time counting on to add.  It’s not efficient! Solution: While there are a variety of strategies for adding, one of my most recent discoveries is what I call the “in betweens” strategy.  Here’s how it works: When you see two addends that only have one number in between them….…