Change pack
Lintel Jun 22 - 28 25 questions
PDF (questions) PDF (answers)

Monday 22 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    31000000

    Answer: 3.1 × 107
  2. 2. Algebra

    Factorise: x² - 11x + 28

    Answer: (x - 7)(x - 4)
  3. 3. Geometry

    Hypotenuse = 21cm, angle = 30°. Find adjacent side

    Answer: 18.2cm
  4. 4. Ratio

    In ratio 3:3:4, what fraction is the second part?

    Answer: 310
  5. 5. Statistics

    Calculate the mean of: 23, 30, 39, 47, 50, 34, 46

    Answer: 38.4

Tuesday 23 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00041

    Answer: 4.1 × 10-4
  2. 2. Algebra

    Factorise: x² + 2x - 3

    Answer: (x + 3)(x - 1)
  3. 3. Geometry

    Adjacent = 13cm, angle = 41°. Find opposite

    Answer: 11.3cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 31, 37, 42, 46, what is the missing number?

    Answer: -11

Wednesday 24 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.065

    Answer: 6.5 × 10-2
  2. 2. Algebra

    Factorise: x² + x - 20

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

    Adjacent = 22cm, angle = 48°. Find opposite

    Answer: 24.4cm
  4. 4. Ratio

    Simplify: 12:20:24

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

    Calculate the mean of: 8, 27, 39, 40, 44, 31, 28, 21

    Answer: 29.8

Thursday 25 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    540000

    Answer: 5.4 × 105
  2. 2. Algebra

    Factorise: x² - 7x + 10

    Answer: (x - 5)(x - 2)
  3. 3. Geometry

    Hypotenuse = 27cm, angle = 54°. Find adjacent side

    Answer: 15.9cm
  4. 4. Ratio

    Simplify: 12:20:8

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

    The mean of 5 numbers is 39. If 4 of them are 32, 34, 29, 46, what is the missing number?

    Answer: 54

Friday 26 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0014

    Answer: 1.4 × 10-3
  2. 2. Algebra

    Factorise: x² - 9x + 14

    Answer: (x - 2)(x - 7)
  3. 3. Geometry

    Adjacent = 22cm, angle = 50°. Find opposite

    Answer: 26.2cm
  4. 4. Ratio

    Divide 152 in the ratio 3:2:3

    Answer: 57, 38 and 57
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 41, 33, 43, 15, what is the missing number?

    Answer: 13