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Lintel Jan 1 - 7 25 questions
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Monday 11 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 15 + 56 + 12

    Answer: 2315
  2. 2. Algebra

    Factorise fully: 6x² + 8x

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

    Find perimeter: adjacent = 14cm, angle = 53°

    Answer: 55.9cm
  4. 4. Ratio

    Calculate 45.5% of 276

    Answer: 125.58
  5. 5. Statistics

    Find the range of: 30, 15, -14, -6, -20

    Answer: 50

Tuesday 12 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 83 + ? = 196

    Answer: 113
  2. 2. Algebra

    Factorise fully: 8x² + 10x

    Answer: 2x(4x + 5)
  3. 3. Geometry

    Opposite = 14cm, adjacent = 10cm. Calculate the angle

    Answer: 54.5°
  4. 4. Ratio

    Calculate 45% of 273

    Answer: 122.85
  5. 5. Statistics

    Find the range of: -22, 23, 29, 13, 32

    Answer: 54

Wednesday 13 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The temperature is -5°C. It rises by 19°C. What is the new temperature?

    Answer: 14°C
  2. 2. Algebra

    What is the next term? 2, 6, 18, 54, ...

    Answer: 162
  3. 3. Geometry

    Find c if a = 15cm and b = 18cm in a right triangle

    Answer: 23.4cm
  4. 4. Ratio

    Calculate 46.1% of 863

    Answer: 397.84
  5. 5. Statistics

    A bag has 7 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 12

Thursday 14 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 144. What are the numbers?

    Answer: 47, 48, and 49
  2. 2. Algebra

    Factorise: 4x² + 9x

    Answer: x(4x + 9)
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 32cm. Find the angle

    Answer: 62°
  4. 4. Ratio

    Simplify: 10:4:12

    Answer: 5:2:6
  5. 5. Statistics

    Find the range of: 48, -9, -16, 46, 3

    Answer: 64

Friday 15 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 88 + ? = 117

    Answer: 29
  2. 2. Algebra

    Solve: x7 = 1.4285714285714

    Answer: x = 10
  3. 3. Geometry

    Calculate the area of a circle with diameter 22cm

    Answer: 380.13cm²
  4. 4. Ratio

    Find 61% of 257

    Answer: 156.77
  5. 5. Statistics

    A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 23