For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Standard form close standard formA number between 1 and 10 multiplied by a power of ten, eg 193 in standard form is written as 1·93 × 10², 0·193 in standard form is written as 1·93 ×10⁻¹. It is used ...

The questions in this quiz are suitable for GCSE maths students studying standard form, converting between ordinary numbers and standard form, small numbers, converting from standard form, ordering ...

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 ...

In the early 1970s mathematician Donald Knuth spent a sabbatical with his wife in Norway. The time was meant to be spent relaxing. Yet one night he woke up his partner in a state of agitation. He ...