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Lintel Jan 1 - 7 25 questions
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Monday 22 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 201, 175, and 142

    Answer: 518
  2. 2. Algebra

    Factorise fully: 6x² + 9x

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

    Adjacent = 20cm, hypotenuse = 40cm. Find the angle

    Answer: 60°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 415

Tuesday 23 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 705

    Answer: 1701
  2. 2. Algebra

    Solve: 4x = 44

    Answer: x = 11
  3. 3. Geometry

    Opposite = 13cm, adjacent = 9cm. Calculate the angle

    Answer: 55.3°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 8, 16, 35, 15, 33, 13

    Answer: 20

Wednesday 24 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 852

    Answer: 1850
  2. 2. Algebra

    Solve: 8x = 104

    Answer: x = 13
  3. 3. Geometry

    Opposite = 13cm, adjacent = 18cm. Calculate the angle

    Answer: 35.8°
  4. 4. Ratio

    Find 41% of 164

    Answer: 67.24
  5. 5. Statistics

    A spinner has 5 red, 4 blue and 5 green sections. Probability of landing on red?

    Answer: 514

Thursday 25 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 95 + ? = 134

    Answer: 39
  2. 2. Algebra

    Factorise fully: 21x² + 12x

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

    Find c if a = 11cm and b = 12cm in a right triangle

    Answer: 16.3cm
  4. 4. Ratio

    Simplify: 15:18:15

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

    Calculate the mean of: 28, 24, 5, 13, 16, 24, 48

    Answer: 22.6

Friday 26 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0079

    Answer: 7.9 × 10^-3
  2. 2. Algebra

    Solve: 3x + 9 = 2x - 3

    Answer: x = 12
  3. 3. Geometry

    Opposite = 10cm, adjacent = 18cm. Calculate the angle

    Answer: 29.1°
  4. 4. Ratio

    Simplify: 12:6:8

    Answer: 6:3:4
  5. 5. Statistics

    Calculate the mean of: 26, 48, 45, 19, 20, 44, 29

    Answer: 33