Change pack
Lintel Feb 4 - 10 25 questions
PDF (questions) PDF (answers)

Monday 4 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.098

    Answer: 9.8 × 10-2
  2. 2. Algebra

    Factorise: x² - 8x + 15

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

    Adjacent = 29cm, angle = 41°. Find opposite

    Answer: 25.2cm
  4. 4. Ratio

    Divide 144 in the ratio 3:4:2

    Answer: 48, 64 and 32
  5. 5. Statistics

    Calculate the mean of: 12, 25, 41, 13, 36, 10

    Answer: 22.8

Tuesday 5 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    49000000

    Answer: 4.9 × 107
  2. 2. Algebra

    Factorise: x² + 4x - 5

    Answer: (x + 5)(x - 1)
  3. 3. Geometry

    Hypotenuse = 32cm, angle = 39°. Find adjacent side

    Answer: 24.9cm
  4. 4. Ratio

    Simplify: 8:10:12

    Answer: 4:5:6
  5. 5. Statistics

    The mean of 6 numbers is 23. If 5 of them are 19, 28, 32, 26, 47, what is the missing number?

    Answer: -14

Wednesday 6 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00038

    Answer: 3.8 × 10-4
  2. 2. Algebra

    Factorise: x² + 3x - 4

    Answer: (x + 4)(x - 1)
  3. 3. Geometry

    Adjacent = 22cm, angle = 32°. Find opposite

    Answer: 13.7cm
  4. 4. Ratio

    Divide 90 in the ratio 3:1:2

    Answer: 45, 15 and 30
  5. 5. Statistics

    The mean of 4 numbers is 40. If 3 of them are 40, 15, 15, what is the missing number?

    Answer: 90

Thursday 7 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    20000

    Answer: 2 × 104
  2. 2. Algebra

    Factorise: x² - 5x + 6

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

    Hypotenuse = 28cm, angle = 26°. Find adjacent side

    Answer: 25.2cm
  4. 4. Ratio

    Simplify: 6:4:8

    Answer: 3:2:4
  5. 5. Statistics

    Calculate the mean of: 7, 47, 33, 21, 30, 37

    Answer: 29.2

Friday 8 February 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    70000

    Answer: 7 × 104
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Hypotenuse = 24cm, angle = 47°. Find adjacent side

    Answer: 16.4cm
  4. 4. Ratio

    Simplify: 20:24:24

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

    Calculate the mean of: 16, 5, 22, 15, 32, 18, 9, 41

    Answer: 19.8