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Lintel Jan 1 - 7 25 questions
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Monday 11 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 13 + 25 + 34

    Answer: 8960
  2. 2. Algebra

    Factorise fully: 8x² + 6x

    Answer: 2x(4x + 3)
  3. 3. Geometry

    Opposite = 17cm, adjacent = 9cm. Calculate the angle

    Answer: 62.1°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 311

Tuesday 12 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    95000

    Answer: 9.5 × 104
  2. 2. Algebra

    Solve: x6 = 4

    Answer: x = 24
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 44cm. Find the angle

    Answer: 48.8°
  4. 4. Ratio

    Calculate 46.7% of 660

    Answer: 308.22
  5. 5. Statistics

    A bag has 6 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 37

Wednesday 13 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 46 + 12 + 12

    Answer: 53
  2. 2. Algebra

    Factorise: 8x² + 7x

    Answer: x(8x + 7)
  3. 3. Geometry

    Opposite = 10cm, adjacent = 13cm. Calculate the angle

    Answer: 37.6°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: 18, 32, 16, 31, -17

    Answer: 49

Thursday 14 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 997 + 525

    Answer: 1522
  2. 2. Algebra

    What is the next term? 3, 6, 12, 24, ...

    Answer: 48
  3. 3. Geometry

    Opposite = 13cm, adjacent = 16cm. Calculate the angle

    Answer: 39.1°
  4. 4. Ratio

    Simplify: 20:24:20

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

    A bag has 8 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 12

Friday 15 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 78 + 47

    Answer: 8156
  2. 2. Algebra

    Factorise fully: 10x² + 35x

    Answer: 5x(2x + 7)
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 25cm. Find the angle

    Answer: 61.3°
  4. 4. Ratio

    Simplify: 18:15:12

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

    Find the range of: -11, -6, 41, 8, 24

    Answer: 52