The term "computer" used to be applied to humans that performed calculations by hand. It's still important for today's kids to still know how to, say, multiply without using their calculators (or ...

Two vectors close vectorA vector quantity has both direction and magnitude (size). are parallel if they have the same (or opposite) directions. Their magnitude can be different. In the image to the ...

Add Yahoo as a preferred source to see more of our stories on Google. Math teachers have to accommodate high school students' different approaches to problem-solving. RJ Sangosti/MediaNews Group/The ...