Keystones — Cornerstone
Five GCSE retrieval questions · 23 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 39 + 55
Answer: 39 + 55 = 94 -
2. Algebra
Solve: 3x = 21
Answer: x = 7 -
3. Geometry
Opposite = 19cm, adjacent = 9cm. Calculate the angle
Answer: 64.7° -
4. Ratio
Find 32% of 188
Answer: 60.16 -
5. Statistics
Find the mean of: 4, 4, 2, 7
Answer: 4.25