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📐 Maths, Years 7 and 8

Years 7 to 8 · Read up first
10 questions. Get 8 right to earn 10 minutes. All 10 right = +5 bonus. They start easy and get harder as you go, so treat the first few as a warm-up. Every one you miss comes back with the answer and why.

1. What do we call the distance from the centre of a circle to its edge?

2. What is 50% of 20?

3. The diameter of a circle is 10 cm. What is its radius?

4. Which of these is the largest: 0.4, 0.35, 0.099, 0.41?

5. What is the area of a triangle with a base of 10 cm and a height of 6 cm?

6. What is -6 x -3?

7. What is the volume of a rectangular box that is 5 cm long, 4 cm wide and 2 cm high?

8. Solve for x: 2x + 3 = 11

9. What is (-2) cubed?

10. In a class of 30 students, 40% play a sport and the rest do not. Of those who do not play a sport, half play a musical instrument. How many students play a musical instrument?

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