Do you have a brain for math? New research indicates levels of two key neurotransmitters can predict mathematics ability, suggesting brain chemistry may be playing a role in those who find math easy.

Measure length using a ruler marked with halves and quarters of an inch with Ms. Askew. Join Ms. Askew for a fun Fraction Number Talk. We'll measure length using a ruler marked with halves and ...

In this episode, students will practice letter sounds and use tools to measure. In this episode, students will practice letter sounds and use tools to measure. Dr. Sanders will read the book, What Do ...

You use a measuring cup for its precision, right? But maybe its measurements aren't as precise as you think. That's an idea that one self-described math nerd zeroed in on, and his mission to redesign ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...