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Lintel Jun 27 - Jul 3 25 questions
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Monday 27 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000033 in standard form

    Answer: 3.3 × 10-5
  2. 2. Algebra

    Factorise: x² + x - 20

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

    Hypotenuse = 28cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 16.85cm
  4. 4. Ratio

    £224.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £140.00
  5. 5. Statistics

    Calculate the mean of: 45, 38, 18, 10, 34, 13. Give your answer to 2 decimal places

    Answer: 26.33

Tuesday 28 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0067 in standard form

    Answer: 6.7 × 10-3
  2. 2. Algebra

    Factorise: x² - 9x - 10

    Answer: (x + 1)(x - 10)
  3. 3. Geometry

    Hypotenuse = 28cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 18cm
  4. 4. Ratio

    £216.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £81.00
  5. 5. Statistics

    Calculate the mean of: 49, 5, 41, 36, 46, 15, 46

    Answer: 34

Wednesday 29 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 6,900,000 in standard form

    Answer: 6.9 × 106
  2. 2. Algebra

    Factorise: x² + 11x + 30

    Answer: (x + 6)(x + 5)
  3. 3. Geometry

    Adjacent = 25cm, angle = 41°. Find opposite. Give your answer to 2 decimal places

    Answer: 21.73cm
  4. 4. Ratio

    £180.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £120.00
  5. 5. Statistics

    The mean of 5 numbers is 26. If 4 of them are 43, 27, 31, 21, what is the missing number?

    Answer: 8

Thursday 30 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 430,000,000 in standard form

    Answer: 4.3 × 108
  2. 2. Algebra

    Factorise: x² - 4x - 45

    Answer: (x + 5)(x - 9)
  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 sweets are in the ratio 10:10:12. What fraction of the sweets are pink?

    Answer: 3⁄8
  5. 5. Statistics

    The mean of 4 numbers is 23. If 3 of them are 28, 27, 26, what is the missing number?

    Answer: 11

Friday 1 July 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.032 in standard form

    Answer: 3.2 × 10-2
  2. 2. Algebra

    Factorise: x² + 7x - 8

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

    Adjacent = 15cm, angle = 40°. Find opposite. Give your answer to 2 decimal places

    Answer: 12.59cm
  4. 4. Ratio

    £182.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £52.00
  5. 5. Statistics

    The mean of 5 numbers is 34. If 4 of them are 24, 45, 26, 38, what is the missing number?

    Answer: 37