Change pack
Lintel Jan 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 31 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 442 + 950

    Answer: 442 + 950 = 1392
  2. 2. Algebra

    Solve: 2x = 6

    Answer: x = 3
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 26cm. Find the angle

    Answer: 46.2°
  4. 4. Ratio

    Calculate 15.1% of 464

    Answer: 70.06
  5. 5. Statistics

    Calculate the mean of: 32, 9, 19, 50, 29, 9, 50, 40

    Answer: 29.8

Tuesday 1 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 150. What are the numbers?

    Answer: 49, 50, and 51
  2. 2. Algebra

    What is the next term? 2, 6, 18, 54, ...

    Answer: 162
  3. 3. Geometry

    A circle has area 530.9cm². Find its radius (dp)

    Answer: 13cm
  4. 4. Ratio

    Simplify: 15:9:9

    Answer: 5:3:3
  5. 5. Statistics

    Calculate the mean of: 30, 46, 32, 20, 35, 28

    Answer: 31.8

Wednesday 2 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 131, 179, and 117

    Answer: 427
  2. 2. Algebra

    Solve: 8x = 80

    Answer: x = 10
  3. 3. Geometry

    Opposite = 18cm, adjacent = 11cm. Calculate the angle

    Answer: 58.6°
  4. 4. Ratio

    Find 37% of 450

    Answer: 166.5
  5. 5. Statistics

    Calculate the mean of: 41, 42, 31, 35, 8, 13

    Answer: 28.3

Thursday 3 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 90. What are the numbers?

    Answer: 29, 30, and 31
  2. 2. Algebra

    Factorise fully: 20x² + 24x

    Answer: 4x(5x + 6)
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 41cm. Find the angle

    Answer: 59.2°
  4. 4. Ratio

    Simplify: 6:4:12

    Answer: 3:2:6
  5. 5. Statistics

    A spinner has 2 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 213

Friday 4 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 147. What are the numbers?

    Answer: 48, 49, and 50
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 26cm. Find the angle

    Answer: 39.7°
  4. 4. Ratio

    Calculate 45.7% of 621

    Answer: 283.8
  5. 5. Statistics

    Calculate the mean of: 10, 19, 40, 20, 50, 25, 34, 13

    Answer: 26.4