Change pack
Lintel Mar 28 - Apr 3 25 questions
PDF (questions) PDF (answers)

Monday 28 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 590,000,000 in standard form

    Answer: 5.9 × 108
  2. 2. Algebra

    Factorise: x² + 14x + 45

    Answer: (x + 9)(x + 5)
  3. 3. Geometry

    Adjacent = 21cm, angle = 32°. Find opposite. Give your answer to 2 decimal places

    Answer: 13.12cm
  4. 4. Ratio

    Simplify the ratio m : 55cm

    Answer: 20:11
  5. 5. Statistics

    The mean of 6 numbers is 39. If 5 of them are 38, 16, 42, 34, 34, what is the missing number?

    Answer: 70

Tuesday 29 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00086 in standard form

    Answer: 8.6 × 10-4
  2. 2. Algebra

    Factorise: x² - 4x - 32

    Answer: (x + 4)(x - 8)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 38°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 30.73cm
  4. 4. Ratio

    £235.00 is shared between A and B in the ratio 2:3. How much does A receive?

    Answer: £94.00
  5. 5. Statistics

    Calculate the mean of: 22, 26, 18, 33, 16, 22, 24

    Answer: 23

Wednesday 30 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00006 in standard form

    Answer: 6 × 10-5
  2. 2. Algebra

    Factorise: x² - x - 12

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

    Adjacent = 21cm, angle = 56°. Find opposite. Give your answer to 2 decimal places

    Answer: 31.13cm
  4. 4. Ratio

    Red, blue and green beads are in the ratio 2:10:3. What fraction of the beads are blue?

    Answer: 2⁄3
  5. 5. Statistics

    Calculate the mean of: 15, 35, 33, 45, 27, 14, 24, 15

    Answer: 26

Thursday 31 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 150,000 in standard form

    Answer: 1.5 × 105
  2. 2. Algebra

    Factorise: x² - 10x + 16

    Answer: (x - 2)(x - 8)
  3. 3. Geometry

    Hypotenuse = 26cm, angle = 28°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 22.96cm
  4. 4. Ratio

    In ratio 8:3:3, what fraction is the first part?

    Answer: 4⁄7
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 40, 29, 33, 23, what is the missing number?

    Answer: 20

Friday 1 April 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.067 in standard form

    Answer: 6.7 × 10-2
  2. 2. Algebra

    Factorise: x² - 18x + 77

    Answer: (x - 7)(x - 11)
  3. 3. Geometry

    Hypotenuse = 19cm, angle = 39°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 14.77cm
  4. 4. Ratio

    Orange and purple counters are in the ratio 8:11. What fraction of the counters are orange?

    Answer: 8⁄19
  5. 5. Statistics

    The mean of 6 numbers is 33. If 5 of them are 39, 36, 17, 28, 28, what is the missing number?

    Answer: 50