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Lintel Jan 1 - 7 25 questions
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Monday 30 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 311 + 612

    Answer: 311 + 612 = 923
  2. 2. Algebra

    For y = x³ + 9, calculate y when x = 4

    Answer: y = 73
  3. 3. Geometry

    Opposite = 8cm, adjacent = 9cm. Calculate the angle

    Answer: 41.6°
  4. 4. Ratio

    Simplify: 18:9:18

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

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

    Answer: 12

Tuesday 31 May 2022

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

    Factorise fully: 16x² + 28x

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

    Adjacent = 28cm, hypotenuse = 43cm. Find the angle

    Answer: 49.4°
  4. 4. Ratio

    Find 52% of 333

    Answer: 173.16
  5. 5. Statistics

    Find the range of: -17, 21, -28, 25, 49

    Answer: 77

Wednesday 1 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 990 + 534

    Answer: 1524
  2. 2. Algebra

    What is the next term? 6, 24, 96, 384, ...

    Answer: 1536
  3. 3. Geometry

    Opposite = 16cm, adjacent = 15cm. Calculate the angle

    Answer: 46.8°
  4. 4. Ratio

    Simplify: 10:6:10

    Answer: 5:3:5
  5. 5. Statistics

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

    Answer: 511

Thursday 2 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 13 + 14

    Answer: 712
  2. 2. Algebra

    Solve: 6x - 7 = 2x + 21

    Answer: x = 7
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 29cm. Find the angle

    Answer: 58.9°
  4. 4. Ratio

    Simplify: 24:24:8

    Answer: 3:3:1
  5. 5. Statistics

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

    Answer: 37

Friday 3 June 2022

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: 10x² + 25x

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

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

    Answer: 45°
  4. 4. Ratio

    Find 33% of 374

    Answer: 123.42
  5. 5. Statistics

    Find the range of: -2, -10, 23, -1, 16

    Answer: 33