Change pack
Lintel Dec 11 - 17 25 questions
PDF (questions) PDF (answers)

Monday 11 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0022 in standard form

    Answer: 2.2 × 10-3
  2. 2. Algebra

    Factorise: x² + 6x - 72

    Answer: (x + 12)(x - 6)
  3. 3. Geometry

    Adjacent = 22cm, angle = 47°. Find opposite. Give your answer to 2 decimal places

    Answer: 23.59cm
  4. 4. Ratio

    Simplify: 8:8:6

    Answer: 4:4:3
  5. 5. Statistics

    Calculate the mean of: 21, 12, 48, 17, 45, 24, 28. Give your answer to 2 decimal places

    Answer: 27.86

Tuesday 12 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 87,000,000 in standard form

    Answer: 8.7 × 107
  2. 2. Algebra

    Factorise: x² - 11x + 24

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

    Hypotenuse = 30cm, angle = 59°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 15.45cm
  4. 4. Ratio

    Simplify: 18:15:15

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

    Calculate the mean of: 34, 18, 31, 48, 31, 44, 37, 44. Give your answer to 2 decimal places

    Answer: 35.88

Wednesday 13 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.076 in standard form

    Answer: 7.6 × 10-2
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Adjacent = 29cm, angle = 58°. Find opposite. Give your answer to 2 decimal places

    Answer: 46.41cm
  4. 4. Ratio

    Divide 60 in the ratio 1:2:1

    Answer: 15, 30 and 15
  5. 5. Statistics

    The mean of 6 numbers is 37. If 5 of them are 41, 21, 32, 22, 49, what is the missing number?

    Answer: 57

Thursday 14 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00024 in standard form

    Answer: 2.4 × 10-4
  2. 2. Algebra

    Factorise: x² + 4x - 12

    Answer: (x + 6)(x - 2)
  3. 3. Geometry

    Adjacent = 19cm, angle = 35°. Find opposite. Give your answer to 2 decimal places

    Answer: 13.3cm
  4. 4. Ratio

    Simplify the ratio 3 hours : 5 minutes

    Answer: 36:1
  5. 5. Statistics

    Calculate the mean of: 39, 41, 12, 17, 21, 42. Give your answer to 2 decimal places

    Answer: 28.67

Friday 15 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 8,600,000 in standard form

    Answer: 8.6 × 106
  2. 2. Algebra

    Factorise: x² + 2x - 24

    Answer: (x + 6)(x - 4)
  3. 3. Geometry

    Hypotenuse = 15cm, angle = 45°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 10.61cm
  4. 4. Ratio

    In ratio 11:9:3, what fraction is the first part?

    Answer: 11⁄23
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 37, 15, 40, 48, what is the missing number?

    Answer: 5