Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

Join Mrs. Markavich for a subtraction word problem with Professor Barble. Next get ready make sense of equations that have a missing part and look out for D.C. as we make a ten to solve addition ...

Research suggests that word problems might be easier to grasp and more beneficial at the beginning, rather than the end, of a math lesson.

Introduces ordinary differential equations, systems of linear equations, matrices, determinants, vector spaces, linear transformations, and systems of linear differential equations. Prereq., APPM 1360 ...

Eldon R. Hansen, On Solving Systems of Equations Using Interval Arithmetic, Mathematics of Computation, Vol. 22, No. 102 (Apr., 1968), pp. 374-384 ...