A mental method doesn’t mean that we are expected just to write down the answer! Many of the best mental methods come with ‘jottings’ to help us remember the ‘part answers’ we need as we ...
To divide fractions by a whole number, we divide the numerator by the whole number and the denominator stays the same. The calculation is \( \frac{4}{5}\) ÷ 2. We know that 4 ÷ 2 = 2 so we can ...
Congratulations to Chan Tsz-hin from Pui Ching Middle School, who has won the Gold Award for his research report titled On Non-Torsion Solutions of Homogeneous Linear Systems over Rings at the ...