When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

Jorhat, Feb. 2: Dilip Kumar Datta, professor emeritus of Rhode Island University, USA, has eased the definition of rational numbers, which has been widely accepted by the mathematics teachers' ...

5. The points P, Q, R, S, T, U, A and B on the number line are such that, TR = RS = SU and AP = PQ = QB. Name the rational numbers represented by P, Q, R and S. P ...

This is a preview. Log in through your library . Abstract We present data from a two-year teaching experiment involving 8- and 9-year-old children. The purpose of the teaching experiment was to ...

The ancient Greeks wanted to believe that the universe could be described in its entirety using only whole numbers and the ratios between them — fractions, or what we now call rational numbers. But ...