Non-dietary ingestion is an important exposure pathway for children owing to their frequent hand-to-mouth and object-to-mouth activities involving soil and dust contacts. We used videotaping and the ...

Outdoor activities provide ample opportunities for math learning without any cost. Go on a nature walk where you ask your ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

I've been teaching second and third-graders mathematical problem solving for six years. In that time, I've learned that kids are more apt to enjoy math if they already have a strong foundation. Kids ...

Some fractions can be made 'simpler'. Simplifying means that the numerator and denominator can be smaller numbers. But the overall value of the fraction is not changed. Complete this interactive ...

Speaker 1: To get a fraction we need to divide a whole number into parts. In this case I've divided by four to create quarters. Speaker 1: Dividing it into equal parts allows me to create a uniformed ...