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Lintel May 11 - 17 25 questions
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Monday 11 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.077

    Answer: 7.7 × 10-2
  2. 2. Algebra

    Factorise: x² - 9x + 20

    Answer: (x - 4)(x - 5)
  3. 3. Geometry

    Hypotenuse = 29cm, angle = 58°. Find adjacent side

    Answer: 15.4cm
  4. 4. Ratio

    £231.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £66.00
  5. 5. Statistics

    The mean of 4 numbers is 32. If 3 of them are 38, 23, 47, what is the missing number?

    Answer: 20

Tuesday 12 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    9600000

    Answer: 9.6 × 106
  2. 2. Algebra

    Factorise: x² + 2x - 24

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

    Adjacent = 14cm, angle = 41°. Find opposite

    Answer: 12.2cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 34. If 3 of them are 46, 32, 32, what is the missing number?

    Answer: 26

Wednesday 13 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.075

    Answer: 7.5 × 10-2
  2. 2. Algebra

    Factorise: x² - 8x + 15

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

    Hypotenuse = 34cm, angle = 65°. Find adjacent side

    Answer: 14.4cm
  4. 4. Ratio

    £120.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £80.00
  5. 5. Statistics

    Calculate the mean of: 7, 40, 28, 37, 45, 26, 15, 35

    Answer: 29.1

Thursday 14 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.062

    Answer: 6.2 × 10-2
  2. 2. Algebra

    Factorise: x² - 7x + 10

    Answer: (x - 2)(x - 5)
  3. 3. Geometry

    Hypotenuse = 31cm, angle = 29°. Find adjacent side

    Answer: 27.cm
  4. 4. Ratio

    Simplify: 10:12:8

    Answer: 5:6:4
  5. 5. Statistics

    The mean of 4 numbers is 24. If 3 of them are 50, 32, 43, what is the missing number?

    Answer: -29

Friday 15 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    68000000

    Answer: 6.8 × 107
  2. 2. Algebra

    Factorise: x² + 3x - 10

    Answer: (x + 5)(x - 2)
  3. 3. Geometry

    Adjacent = 20cm, angle = 49°. Find opposite

    Answer: 23cm
  4. 4. Ratio

    Simplify: 8:10:12

    Answer: 4:5:6
  5. 5. Statistics

    Calculate the mean of: 25, 18, 13, 21, 10, 49, 19

    Answer: 22.1