Compare four sets of pattern blocks. Use pattern blocks to make different shapes. Warm up with a Mystery Math Mistake to tell whether Dotson's 10-frames represent a number less than his focus number.

If you freeze up every time your manicurist asks how you want your nails filed, you’re not alone. Choosing a nail shape can feel surprisingly high-stakes, especially when the wrong one can throw off ...

Add Yahoo as a preferred source to see more of our stories on Google. When it comes to our nails, we love experimenting with different polish shades and nail art to add pretty pizzazz to our fingers.

The material can be tempered into different shapes — like steel in the hands of a blacksmith — and could someday transform space travel, recycling and more. By Katrina Miller With restrictions on ...