Change pack
Lintel Aug 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 1 August 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 86,000,000 in standard form

    Answer: 8.6 × 107
  2. 2. Algebra

    Factorise: x² + 3x - 40

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

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

    Answer: 15.82cm
  4. 4. Ratio

    Simplify the ratio 3kg : 700g

    Answer: 30:7
  5. 5. Statistics

    The mean of 5 numbers is 28. If 4 of them are 37, 47, 22, 23, what is the missing number?

    Answer: 11

Tuesday 2 August 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.049 in standard form

    Answer: 4.9 × 10-2
  2. 2. Algebra

    Factorise: x² + 14x + 40

    Answer: (x + 10)(x + 4)
  3. 3. Geometry

    Hypotenuse = 36cm, angle = 31°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 30.86cm
  4. 4. Ratio

    £272.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £170.00
  5. 5. Statistics

    The mean of 4 numbers is 28. If 3 of them are 42, 21, 40, what is the missing number?

    Answer: 9

Wednesday 3 August 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 230,000 in standard form

    Answer: 2.3 × 105
  2. 2. Algebra

    Factorise: x² - 5x - 24

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

    Adjacent = 11cm, angle = 38°. Find opposite. Give your answer to 2 decimal places

    Answer: 8.59cm
  4. 4. Ratio

    Black, white and yellow counters are in the ratio 5:11:10. What fraction of the counters are white?

    Answer: 11⁄26
  5. 5. Statistics

    Calculate the mean of: 46, 35, 18, 20, 19, 36

    Answer: 29

Thursday 4 August 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 5,100,000 in standard form

    Answer: 5.1 × 106
  2. 2. Algebra

    Factorise: x² + 9x - 10

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

    Adjacent = 25cm, angle = 45°. Find opposite

    Answer: 25cm
  4. 4. Ratio

    Divide 80 in the ratio 1:3:4

    Answer: 10, 30 and 40
  5. 5. Statistics

    The mean of 5 numbers is 31. If 4 of them are 26, 50, 34, 25, what is the missing number?

    Answer: 20

Friday 5 August 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00025 in standard form

    Answer: 2.5 × 10-4
  2. 2. Algebra

    Factorise: x² + 7x - 60

    Answer: (x + 12)(x - 5)
  3. 3. Geometry

    Hypotenuse = 29cm, angle = 49°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 19.03cm
  4. 4. Ratio

    Simplify: 12:18:6

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

    Calculate the mean of: 20, 46, 32, 23, 47, 11. Give your answer to 2 decimal places

    Answer: 29.83