Keystones — Lintel
Five GCSE retrieval questions · 9 June 2018 · mathsvault.uk/keystones
-
1. Number Converting to standard form
0.0087
Answer: 8.7 × 10-3 -
2. Algebra Factorising monic quadratics
Factorise: x² - 7x + 10
Answer: (x - 5)(x - 2) -
3. Geometry SOHCAHTOA — missing length
Hypotenuse = 36cm, angle = 52°. Find adjacent side
Answer: 22.2cm -
4. Ratio Mixed ratio problems
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics Mean
Calculate the mean of: 29, 18, 22, 9, 49, 36
Answer: 27.2