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Lintel Jan 1 - 7 25 questions
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Monday 22 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 13 + 37

    Answer: 1621
  2. 2. Algebra

    Solve: 4x = 52

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 33cm. Find the angle

    Answer: 64.9°
  4. 4. Ratio

    Calculate 45.1% of 465

    Answer: 209.72
  5. 5. Statistics

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

    Answer: 415

Tuesday 23 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Expand: 8(2x - 3)

    Answer: 16x - 24
  3. 3. Geometry

    Opposite = 11cm, adjacent = 8cm. Calculate the angle

    Answer: 54°
  4. 4. Ratio

    Calculate 40.4% of 753

    Answer: 304.21
  5. 5. Statistics

    Calculate the mean of: 46, 46, 42, 35, 22, 10, 23, 48

    Answer: 34

Wednesday 24 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The temperature is -11°C. It rises by 14°C. What is the new temperature?

    Answer: 3°C
  2. 2. Algebra

    Factorise fully: 24x² + 28x

    Answer: 4x(6x + 7)
  3. 3. Geometry

    Opposite = 20cm, adjacent = 11cm. Calculate the angle

    Answer: 61.2°
  4. 4. Ratio

    Find 20% of 167

    Answer: 33.4
  5. 5. Statistics

    A spinner has 2 red, 3 blue and 6 green sections. Probability of landing on red?

    Answer: 211

Thursday 25 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 72 + ? = 100

    Answer: 28
  2. 2. Algebra

    Solve: 3x = 30

    Answer: x = 10
  3. 3. Geometry

    Find c if a = 8cm and b = 19cm in a right triangle

    Answer: 20.6cm
  4. 4. Ratio

    Simplify: 20:20:16

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

    Calculate the mean of: 37, 6, 6, 45, 39, 15, 23

    Answer: 24.4

Friday 26 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 991 + 565

    Answer: 1556
  2. 2. Algebra

    Solve: 8x - 4 = 6x + 16

    Answer: x = 10
  3. 3. Geometry

    Opposite = 9cm, adjacent = 12cm. Calculate the angle

    Answer: 36.9°
  4. 4. Ratio

    Simplify: 10:12:4

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

    Calculate the mean of: 16, 24, 20, 18, 35, 19

    Answer: 22