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Lintel Jan 1 - 7 25 questions
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Monday 23 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0016

    Answer: 1.6 × 10^-3
  2. 2. Algebra

    Solve: x5 = 7.6

    Answer: x = 38
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 11cm

    Answer: 12.53cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: 32, -28, -25, 25, -15

    Answer: 60

Tuesday 24 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 12 + 23 + 15

    Answer: 4130
  2. 2. Algebra

    Factorise fully: 20x² + 12x

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

    Opposite = 19cm, adjacent = 18cm. Calculate the angle

    Answer: 46.5°
  4. 4. Ratio

    Simplify: 15:18:12

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

    A bag has 6 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 611

Wednesday 25 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 50 + ? = 184

    Answer: 134
  2. 2. Algebra

    Solve: 5x = 60

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 38cm. Find the angle

    Answer: 61.7°
  4. 4. Ratio

    Find 59% of 471

    Answer: 277.89
  5. 5. Statistics

    Find the range of: 40, 15, 32, 19, -28

    Answer: 68

Thursday 26 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 117. What are the numbers?

    Answer: 38, 39, and 40
  2. 2. Algebra

    Factorise: 6x² + 8x

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

    Opposite = 11cm, adjacent = 15cm. Calculate the angle

    Answer: 36.3°
  4. 4. Ratio

    Simplify: 16:20:16

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

    Find the range of: -22, 18, -28, 0, 40

    Answer: 68

Friday 27 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 50 + ? = 153

    Answer: 103
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 20cm. Find the angle

    Answer: 53.1°
  4. 4. Ratio

    Find 36% of 241

    Answer: 86.76
  5. 5. Statistics

    A bag has 8 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 813