Change pack
Lintel Oct 16 - 22 25 questions
PDF (questions) PDF (answers)

Monday 16 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0028 in standard form

    Answer: 2.8 × 10-3
  2. 2. Algebra

    Factorise: x² - 2x - 48

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

    Hypotenuse = 29cm, angle = 27°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 25.84cm
  4. 4. Ratio

    Red, blue and green beads are in the ratio 11:6:12. What fraction of the beads are green?

    Answer: 12⁄29
  5. 5. Statistics

    The mean of 5 numbers is 31. If 4 of them are 19, 25, 33, 18, what is the missing number?

    Answer: 60

Tuesday 17 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 280,000,000 in standard form

    Answer: 2.8 × 108
  2. 2. Algebra

    Factorise: x² - 15x + 50

    Answer: (x - 5)(x - 10)
  3. 3. Geometry

    Adjacent = 11cm, angle = 43°. Find opposite. Give your answer to 2 decimal places

    Answer: 10.26cm
  4. 4. Ratio

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

    Answer: £130.00
  5. 5. Statistics

    Calculate the mean of: 23, 38, 9, 47, 6, 11, 9. Give your answer to 2 decimal places

    Answer: 20.43

Wednesday 18 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 65,000,000 in standard form

    Answer: 6.5 × 107
  2. 2. Algebra

    Factorise: x² + 7x - 8

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

    Adjacent = 27cm, angle = 43°. Find opposite. Give your answer to 2 decimal places

    Answer: 25.18cm
  4. 4. Ratio

    £301.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £172.00
  5. 5. Statistics

    Calculate the mean of: 34, 23, 44, 7, 26, 41, 21

    Answer: 28

Thursday 19 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.028 in standard form

    Answer: 2.8 × 10-2
  2. 2. Algebra

    Factorise: x² + 5x - 50

    Answer: (x + 10)(x - 5)
  3. 3. Geometry

    Hypotenuse = 23cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 14.78cm
  4. 4. Ratio

    £234.00 is shared between A and B in the ratio 5:4. How much does A receive?

    Answer: £130.00
  5. 5. Statistics

    The mean of 5 numbers is 40. If 4 of them are 38, 38, 33, 28, what is the missing number?

    Answer: 63

Friday 20 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 43,000 in standard form

    Answer: 4.3 × 104
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Adjacent = 11cm, angle = 57°. Find opposite. Give your answer to 2 decimal places

    Answer: 16.94cm
  4. 4. Ratio

    Simplify the ratio 2 litres : 100 ml

    Answer: 20:1
  5. 5. Statistics

    Calculate the mean of: 19, 21, 45, 50, 21, 29, 29, 22

    Answer: 29.5