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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 is the area of a rectangle 4 cm long and 3 cm wide?

12 cm squared7 cm squared24 cm squared14 cm squared

2. What is 4/8 written in its simplest form?

2/43/81/41/2

3. A jacket costs $80 and is reduced by 25%. What is the new price?

$20$100$60$55

4. A bag has 3 red balls and 2 blue balls. What is the probability of pulling out a red ball, as a fraction?

2/51/23/53/2

5. A recipe uses flour and sugar in the ratio 3:1. If you use 300 g of flour, how much sugar do you need?

900 g150 g300 g100 g

6. What is -6 x -3?

-1818-99

7. A trapezium has parallel sides of 8 cm and 12 cm, and a height of 5 cm. What is its area?

60 cm squared100 cm squared20 cm squared50 cm squared

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

8475.5

9. A map has a scale of 1:50,000. A distance on the map is 4 cm. What is the real distance, in kilometres?

2 km20 km200 km0.2 km

10. A circular garden bed has a radius of 4 m. Using area is pi x radius squared, and pi is about 3.14, what is its area to the nearest whole square metre?

50 m squared13 m squared100 m squared25 m squared

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