Keystones — Lintel

Five GCSE retrieval questions · 17 September 2022 · mathsvault.uk/keystones

1. Number

What is ∛8?

Answer: 2
2. Algebra

Collect like terms: 7x + 4y + 5x + 4y

Answer: 12x + 8y
3. Geometry

Adjacent = 27cm, hypotenuse = 43cm. Find the angle

Answer: 51.1°
4. Ratio

Find 61% of 193

Answer: 117.73
5. Statistics

A bag has 5 red and 6 blue balls. What is the probability of picking a red ball?

Answer: ⁵⁄₁₁

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