Change pack
Lintel Jun 20 - 26 25 questions
PDF (questions) PDF (answers)

Monday 20 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.092 in standard form

    Answer: 9.2 × 10-2
  2. 2. Algebra

    Factorise: x² + 4x - 96

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

    Hypotenuse = 30cm, angle = 62°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 14.08cm
  4. 4. Ratio

    Orange and purple beads are in the ratio 4:15. What fraction of the beads are purple?

    Answer: 15⁄19
  5. 5. Statistics

    The mean of 4 numbers is 37. If 3 of them are 48, 20, 38, what is the missing number?

    Answer: 42

Tuesday 21 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 62,000 in standard form

    Answer: 6.2 × 104
  2. 2. Algebra

    Factorise: x² + 3x - 28

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

    Adjacent = 10cm, angle = 40°. Find opposite. Give your answer to 2 decimal places

    Answer: 8.39cm
  4. 4. Ratio

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

    Answer: 1⁄3
  5. 5. Statistics

    Calculate the mean of: 33, 10, 6, 43, 38, 50, 26. Give your answer to 2 decimal places

    Answer: 29.43

Wednesday 22 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.066 in standard form

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

    Factorise: x² + 6x - 27

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

    Hypotenuse = 17cm, angle = 31°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 14.57cm
  4. 4. Ratio

    Simplify: 20:20:16

    Answer: 5:5:4
  5. 5. Statistics

    Calculate the mean of: 11, 11, 14, 26, 7, 41. Give your answer to 2 decimal places

    Answer: 18.33

Thursday 23 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 9,000,000 in standard form

    Answer: 9 × 106
  2. 2. Algebra

    Factorise: x² + 15x + 44

    Answer: (x + 11)(x + 4)
  3. 3. Geometry

    Adjacent = 19cm, angle = 41°. Find opposite. Give your answer to 2 decimal places

    Answer: 16.52cm
  4. 4. Ratio

    Express the first part of 12:7 as a fraction in simplest form

    Answer: 12⁄19
  5. 5. Statistics

    The mean of 6 numbers is 38. If 5 of them are 48, 20, 27, 46, 44, what is the missing number?

    Answer: 43

Friday 24 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 190,000,000 in standard form

    Answer: 1.9 × 108
  2. 2. Algebra

    Factorise: x² - x - 110

    Answer: (x + 10)(x - 11)
  3. 3. Geometry

    Adjacent = 30cm, angle = 30°. Find opposite. Give your answer to 2 decimal places

    Answer: 17.32cm
  4. 4. Ratio

    Orange, purple and pink beads are in the ratio 12:2:3. What fraction of the beads are purple?

    Answer: 2⁄17
  5. 5. Statistics

    Calculate the mean of: 47, 24, 29, 21, 12, 21, 9. Give your answer to 2 decimal places

    Answer: 23.29