A goal of our mathematics instruction should be to help our students develop flexibility with numbers. For that to happen, children need to experience the meaning of numbers with concrete, hands-on experiences. Three keys to developing flexibility are counting,...
I’m always on the look-out for games that are engaging for students and that promote computational fluency, so I was super excited to try out Sum of Which: A Game of Numbers and Strategy. The game’s creator, Becky Duprey, sent me a copy of her Sum of Which...
One criticism I hear again and again is that there are too many standards to “cover”. I agree that if you just look at the volume of standards for each grade level, they do seem quite overwhelming. But the thing about math is that so many skills are...
A few years back, I found a nifty little activity for composing and decomposing ten that gets kiddos up and moving around. The activity came from the book Common Core: Math in Action, K-2 and is based on the book Ten Flashing Fireflies. In the book, ten fireflies are...
Subitizing–funny sounding word, but a very important skill for developing number sense. Basically, we subitize when we instantly recognize a small group of objects as a number. For example, if I hold up five fingers and you instantly know it’s five without...
I’ve been working with my Firsties on the following TEK: 1.2(A) recognize instantly the quantity of structured arrangements Although it is not mentioned in the TEK, the mathematical word for this skill is subitizing. The dot patterns on dice and dominoes are...
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