Change pack
Lintel Nov 13 - 19 25 questions
PDF (questions) PDF (answers)

Monday 13 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000097 in standard form

    Answer: 9.7 × 10-5
  2. 2. Algebra

    Factorise: x² - 6x - 27

    Answer: (x + 3)(x - 9)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 35°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 31.95cm
  4. 4. Ratio

    Orange, purple and pink counters are in the ratio 8:3:7. What fraction of the counters are pink?

    Answer: 7⁄18
  5. 5. Statistics

    The mean of 4 numbers is 33. If 3 of them are 50, 44, 19, what is the missing number?

    Answer: 19

Tuesday 14 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0005 in standard form

    Answer: 5 × 10-4
  2. 2. Algebra

    Factorise: x² + 2x - 35

    Answer: (x + 7)(x - 5)
  3. 3. Geometry

    Hypotenuse = 21cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 12.64cm
  4. 4. Ratio

    Simplify: 16:24:8

    Answer: 2:3:1
  5. 5. Statistics

    Calculate the mean of: 20, 37, 20, 45, 35, 17

    Answer: 29

Wednesday 15 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 8,000,000 in standard form

    Answer: 8 × 106
  2. 2. Algebra

    Factorise: x² + 9x + 20

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

    Adjacent = 20cm, angle = 57°. Find opposite. Give your answer to 2 decimal places

    Answer: 30.8cm
  4. 4. Ratio

    Divide 126 in the ratio 1:1:4

    Answer: 21, 21 and 84
  5. 5. Statistics

    The mean of 4 numbers is 29. If 3 of them are 18, 33, 45, what is the missing number?

    Answer: 20

Thursday 16 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00048 in standard form

    Answer: 4.8 × 10-4
  2. 2. Algebra

    Factorise: x² - 8x + 12

    Answer: (x - 2)(x - 6)
  3. 3. Geometry

    Hypotenuse = 24cm, angle = 56°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 13.42cm
  4. 4. Ratio

    Express the second part of 3:15 as a fraction in simplest form

    Answer: 5⁄6
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 49, 18, 45, 26, what is the missing number?

    Answer: 22

Friday 17 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 98,000 in standard form

    Answer: 9.8 × 104
  2. 2. Algebra

    Factorise: x² - 7x - 8

    Answer: (x + 1)(x - 8)
  3. 3. Geometry

    Adjacent = 29cm, angle = 44°. Find opposite. Give your answer to 2 decimal places

    Answer: 28cm
  4. 4. Ratio

    Simplify: 20:12:20

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

    Calculate the mean of: 33, 28, 48, 38, 21, 41. Give your answer to 2 decimal places

    Answer: 34.83