Change pack
Lintel Jul 21 - 27 25 questions
PDF (questions) PDF (answers)

Monday 21 July 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 660,000,000 in standard form

    Answer: 6.6 × 108
  2. 2. Algebra

    Factorise: x² - x - 6

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

    Hypotenuse = 19cm, angle = 44°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 13.67cm
  4. 4. Ratio

    Divide 105 in the ratio 3:3:1

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

    The mean of 4 numbers is 37. If 3 of them are 36, 32, 48, what is the missing number?

    Answer: 32

Tuesday 22 July 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00009 in standard form

    Answer: 9 × 10-5
  2. 2. Algebra

    Factorise: x² - x - 72

    Answer: (x + 8)(x - 9)
  3. 3. Geometry

    Adjacent = 21cm, angle = 37°. Find opposite. Give your answer to 2 decimal places

    Answer: 15.82cm
  4. 4. Ratio

    Simplify: 4:12:8

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

    The mean of 5 numbers is 28. If 4 of them are 17, 27, 32, 30, what is the missing number?

    Answer: 34

Wednesday 23 July 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 75,000 in standard form

    Answer: 7.5 × 104
  2. 2. Algebra

    Factorise: x² + 2x - 8

    Answer: (x + 4)(x - 2)
  3. 3. Geometry

    Hypotenuse = 40cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 24.07cm
  4. 4. Ratio

    Divide 72 in the ratio 1:2:3

    Answer: 12, 24 and 36
  5. 5. Statistics

    Calculate the mean of: 38, 50, 10, 42, 16, 24, 29. Give your answer to 2 decimal places

    Answer: 29.86

Thursday 24 July 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 57,000,000 in standard form

    Answer: 5.7 × 107
  2. 2. Algebra

    Factorise: x² - 20x + 96

    Answer: (x - 8)(x - 12)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 33°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 32.71cm
  4. 4. Ratio

    Orange, purple and pink marbles are in the ratio 2:2:3. What fraction of the marbles are purple?

    Answer: 2⁄7
  5. 5. Statistics

    The mean of 5 numbers is 26. If 4 of them are 22, 36, 45, 22, what is the missing number?

    Answer: 5

Friday 25 July 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000019 in standard form

    Answer: 1.9 × 10-5
  2. 2. Algebra

    Factorise: x² + 3x - 28

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

    Adjacent = 26cm, angle = 46°. Find opposite. Give your answer to 2 decimal places

    Answer: 26.92cm
  4. 4. Ratio

    £238.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £136.00
  5. 5. Statistics

    Calculate the mean of: 16, 28, 49, 45, 26, 36, 31

    Answer: 33