Percentages, area, mean – practice for Years 7–9

Sample questions on Percentages, area, mean with the right answer and a worked solution, from easy to hard. In the Pickles Academy app a child gets new questions of the same kind every time, so they can't just learn the answers by heart.

Subject

Maths

Year

Years 7–9

Curriculum area

Problem solving and non-routine tasks

Question types: Matching task

Sample questions

1. Question 1 Easy

   Match each task (1–3) with the correct result (A–E).

   1. 30% of 80
   2. Area of a rectangle measuring 6 cm × 10 cm (in cm²)
   3. Mean of 8, 7 and -3

   • A) 4
   • B) 41
   • C) 60
   • D) 28
   • E) 24
   Show the solution

   Answer:

   1. 30% of 80 → E) 24
   2. Area of a rectangle measuring 6 cm × 10 cm (in cm²) → C) 60
   3. Mean of 8, 7 and -3 → A) 4

   How it works: 1 → 24; 2 → 60; 3 → 4

2. Question 2 Normal

   Match each task (1–3) with the correct result (A–E).

   1. 30% of 160
   2. Area of a rectangle measuring 8 cm × 7 cm (in cm²)
   3. Mean of 6, 9 and 9

   • A) 48
   • B) 58
   • C) 56
   • D) 8
   • E) 40
   Show the solution

   Answer:

   1. 30% of 160 → A) 48
   2. Area of a rectangle measuring 8 cm × 7 cm (in cm²) → C) 56
   3. Mean of 6, 9 and 9 → D) 8

   How it works: 1 → 48; 2 → 56; 3 → 8

3. Question 3 Hard

   Match each task (1–3) with the correct result (A–E).

   1. 25% of 120
   2. Area of a rectangle measuring 4 cm × 9 cm (in cm²)
   3. Mean of 8, 2 and 11

   • A) 38
   • B) 36
   • C) 7
   • D) 30
   • E) 45
   Show the solution

   Answer:

   1. 25% of 120 → D) 30
   2. Area of a rectangle measuring 4 cm × 9 cm (in cm²) → B) 36
   3. Mean of 8, 2 and 11 → C) 7

   How it works: 1 → 30; 2 → 36; 3 → 7

All Maths topics