Spoilers below for the November 15 Pips. Only read if you want the solutions for today's Pips puzzles. Alternatively, for ...
The doubling square trick is a simple mathematical shortcut designed for class 6 to 10 students to make multiplication easier. By using the formula (n-1) × (n+1) = n² - 1, students can quickly ...
Most of us have little trouble working out how many millilitres are in 2.4 litres of water (it’s 2,400). But the same can’t ...
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