Keystones — Lintel
Five GCSE retrieval questions · 7 April 2022 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.00068
Answer: 6.8 × 10-4 -
2. Algebra Factorising monic quadratics
Factorise: x² - 5x + 6
Answer: (x - 2)(x - 3) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 38cm, angle = 45°. Find adjacent side
Answer: 26.9cm -
4. Ratio Mixed ratio problems
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 50, 24, 27, 40, 12, 36
Answer: 31.5