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

Monday 4 July 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0068 in standard form

    Answer: 6.8 × 10-3
  2. 2. Algebra

    Factorise: x² + 14x + 48

    Answer: (x + 8)(x + 6)
  3. 3. Geometry

    Adjacent = 18cm, angle = 56°. Find opposite. Give your answer to 2 decimal places

    Answer: 26.69cm
  4. 4. Ratio

    Express the first part of 4:15 as a fraction in simplest form

    Answer: 4⁄19
  5. 5. Statistics

    The mean of 6 numbers is 31. If 5 of them are 40, 37, 46, 15, 27, what is the missing number?

    Answer: 21

Tuesday 5 July 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 9,900,000 in standard form

    Answer: 9.9 × 106
  2. 2. Algebra

    Factorise: x² + 3x - 40

    Answer: (x + 8)(x - 5)
  3. 3. Geometry

    Hypotenuse = 21cm, angle = 54°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 12.34cm
  4. 4. Ratio

    Orange and purple counters are in the ratio 14:7. What fraction of the counters are orange?

    Answer: 2⁄3
  5. 5. Statistics

    Calculate the mean of: 44, 9, 32, 8, 36, 8, 42, 27

    Answer: 25.75

Wednesday 6 July 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0021 in standard form

    Answer: 2.1 × 10-3
  2. 2. Algebra

    Factorise: x² + x - 90

    Answer: (x + 10)(x - 9)
  3. 3. Geometry

    Adjacent = 12cm, angle = 45°. Find opposite

    Answer: 12cm
  4. 4. Ratio

    Divide 144 in the ratio 4:4:1

    Answer: 64, 64 and 16
  5. 5. Statistics

    Calculate the mean of: 37, 12, 50, 44, 41, 32, 22

    Answer: 34

Thursday 7 July 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 870,000,000 in standard form

    Answer: 8.7 × 108
  2. 2. Algebra

    Factorise: x² - 15x + 56

    Answer: (x - 7)(x - 8)
  3. 3. Geometry

    Hypotenuse = 15cm, angle = 58°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 7.95cm
  4. 4. Ratio

    Red and blue marbles are in the ratio 9:2. What fraction of the marbles are blue?

    Answer: 2⁄11
  5. 5. Statistics

    The mean of 5 numbers is 21. If 4 of them are 17, 22, 17, 23, what is the missing number?

    Answer: 26

Friday 8 July 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 1,800,000 in standard form

    Answer: 1.8 × 106
  2. 2. Algebra

    Factorise: x² + 6x - 27

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

    Hypotenuse = 33cm, angle = 38°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 26cm
  4. 4. Ratio

    Red and blue counters are in the ratio 8:4. What fraction of the counters are blue?

    Answer: 1⁄3
  5. 5. Statistics

    The mean of 4 numbers is 34. If 3 of them are 50, 45, 21, what is the missing number?

    Answer: 20