Giraffes may be able to perform a basic form of mental arithmetic, according to a new study that tested how the animals track ...
Master negative exponents by learning the simple rule for rewriting them as fractions. Negative exponents often confuse ...
Master factoring quadratic trinomials even when the terms look out of order. Math problems don't always appear in standard ...
Apply for NCTM's Mathematics Education Trust grants, scholarships, and awards. Funding is available to help math teachers, prospective teachers, and other math educators improve the teaching and ...