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## Math Activities That Do Double Duty

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...

## Subitizing: Moving from Perceptual to Conceptual

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...

## Exploring Equality and Composing Numbers

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...

## Composing 10 Online Game

As we wind down to the end of the school year, I’ve been looking for ways to keep my students engaged while still ensuring that each lesson includes worthwhile learning. That’s the tricky balancing act, right? I recently stumbled across an wonderfully...

## Freebie for Composing and Decomposing Numbers

My firsties are working on composing and decomposing numbers, specifically the number 5, and today we played a tried and true game, Under a Rock.  I had teddy bear counters to use, and I decided right then and there that In the Cave would be a lot more fun than Under...

## Developing Part/Whole Thinking

I’ve been working with my firsties on composing and decomposing the numbers 3, 4, and 5.  Last week, I used number bond cards and manipulatives–linking cubes and ten-frames–to introduce the idea of number bonds.  Read more about that here.  Over the...