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Lintel Jan 1 - 7 25 questions
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Monday 1 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 120. What are the numbers?

    Answer: 39, 40, and 41
  2. 2. Algebra

    Solve: 5x = 70

    Answer: x = 14
  3. 3. Geometry

    Opposite = 15cm, adjacent = 17cm. Calculate the angle

    Answer: 41.4°
  4. 4. Ratio

    Simplify: 24:24:12

    Answer: 2:2:1
  5. 5. Statistics

    Find the range of: 39, 39, -17, -13, 11

    Answer: 56

Tuesday 2 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 253 + 885

    Answer: 253 + 885 = 1138
  2. 2. Algebra

    Solve: 9x = 27

    Answer: x = 3
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 21cm. Find the angle

    Answer: 40.4°
  4. 4. Ratio

    Find 59% of 382

    Answer: 225.38
  5. 5. Statistics

    Find the range of: 46, -15, 25, -30, 4

    Answer: 76

Wednesday 3 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 114. What are the numbers?

    Answer: 37, 38, and 39
  2. 2. Algebra

    Factorise fully: 9x² + 6x

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

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

    Answer: 37.6°
  4. 4. Ratio

    Simplify: 24:16:12

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

    A bag has 4 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 1⁄3

Thursday 4 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 992 + 716

    Answer: 1708
  2. 2. Algebra

    Solve: x⁄2 = 10

    Answer: x = 20
  3. 3. Geometry

    Calculate the distance between (4, 1) and (7, 5)

    Answer: 5
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: -6, 5, 23, 23, -15

    Answer: 38

Friday 5 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 89 + ? = 118

    Answer: 29
  2. 2. Algebra

    Solve: 2x = 28

    Answer: x = 14
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 38cm. Find the angle

    Answer: 46.8°
  4. 4. Ratio

    Calculate 26.1% of 547

    Answer: 142.77
  5. 5. Statistics

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

    Answer: 3⁄7