Keystones — Cornerstone
Five GCSE retrieval questions · 24 May 2022 · mathsvault.uk/keystones
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1. Number
What is 3.2 + 5.35 + 0.48?
Answer: 3.2 + 5.35 + 0.48 = 9.03 -
2. Algebra
Simplify: 2x + 3x
Answer: 5x -
3. Geometry
Opposite = 8cm, adjacent = 10cm. Calculate the angle
Answer: 38.7° -
4. Ratio
Find 25% of 453
Answer: 113.25 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3