Change pack
Lintel Sep 10 - 16 25 questions
PDF (questions) PDF (answers)

Monday 10 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0066 in standard form

    Answer: 6.6 × 10-3
  2. 2. Algebra

    Factorise: x² - x - 2

    Answer: (x + 1)(x - 2)
  3. 3. Geometry

    Adjacent = 22cm, angle = 49°. Find opposite. Give your answer to 2 decimal places

    Answer: 25.31cm
  4. 4. Ratio

    Simplify: 12:6:12

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

    The mean of 4 numbers is 28. If 3 of them are 32, 22, 47, what is the missing number?

    Answer: 11

Tuesday 11 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 8,000,000 in standard form

    Answer: 8 × 106
  2. 2. Algebra

    Factorise: x² + 2x - 48

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

    Hypotenuse = 16cm, angle = 46°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 11.11cm
  4. 4. Ratio

    Simplify: 9:6:15

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

    Calculate the mean of: 45, 20, 35, 43, 18, 26. Give your answer to 2 decimal places

    Answer: 31.17

Wednesday 12 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0098 in standard form

    Answer: 9.8 × 10-3
  2. 2. Algebra

    Factorise: x² + 14x + 45

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

    Adjacent = 12cm, angle = 53°. Find opposite. Give your answer to 2 decimal places

    Answer: 15.92cm
  4. 4. Ratio

    Orange and purple marbles are in the ratio 13:9. What fraction of the marbles are orange?

    Answer: 13⁄22
  5. 5. Statistics

    Calculate the mean of: 30, 44, 35, 30, 10, 50, 12, 15

    Answer: 28.25

Thursday 13 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 40,000 in standard form

    Answer: 4 × 104
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Hypotenuse = 28cm, angle = 58°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 14.84cm
  4. 4. Ratio

    Simplify: 9:15:18

    Answer: 3:5:6
  5. 5. Statistics

    The mean of 4 numbers is 33. If 3 of them are 40, 43, 16, what is the missing number?

    Answer: 33

Friday 14 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 70,000 in standard form

    Answer: 7 × 104
  2. 2. Algebra

    Factorise: x² + 3x - 70

    Answer: (x + 10)(x - 7)
  3. 3. Geometry

    Hypotenuse = 27cm, angle = 43°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 19.75cm
  4. 4. Ratio

    Orange, purple and pink counters are in the ratio 2:3:1. What fraction of the counters are pink?

    Answer: 1⁄6
  5. 5. Statistics

    Calculate the mean of: 22, 35, 23, 28, 45, 7. Give your answer to 2 decimal places

    Answer: 26.67