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Lintel Jan 1 - 7 25 questions
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Monday 16 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 709 + 859

    Answer: 709 + 859 = 1568
  2. 2. Algebra

    Solve: 2x = 22

    Answer: x = 11
  3. 3. Geometry

    Opposite = 19cm, adjacent = 16cm. Calculate the angle

    Answer: 49.9°
  4. 4. Ratio

    Simplify: 12:8:10

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

    Calculate the mean of: 26, 20, 34, 17, 30, 5

    Answer: 22

Tuesday 17 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 995 + 745

    Answer: 1740
  2. 2. Algebra

    Solve: x7 = 4.5714285714286

    Answer: x = 32
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 41cm. Find the angle

    Answer: 52.4°
  4. 4. Ratio

    Find 21% of 460

    Answer: 96.6
  5. 5. Statistics

    A spinner has 4 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 411

Wednesday 18 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 23 + 24 + 12

    Answer: 53
  2. 2. Algebra

    Solve: x4 = 9

    Answer: x = 36
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 35cm. Find the angle

    Answer: 51.1°
  4. 4. Ratio

    Find 64% of 268

    Answer: 171.52
  5. 5. Statistics

    Find the range of: -19, 43, 31, 8, 49

    Answer: 68

Thursday 19 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 58 + ? = 109

    Answer: 51
  2. 2. Algebra

    Factorise: 6x² + 6x

    Answer: 6x(x + 1)
  3. 3. Geometry

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

    Answer: 45°
  4. 4. Ratio

    Simplify: 18:12:6

    Answer: 3:2:1
  5. 5. Statistics

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

    Answer: 813

Friday 20 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 93. What are the numbers?

    Answer: 30, 31, and 32
  2. 2. Algebra

    Solve: 5x = 20

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 46.8°
  4. 4. Ratio

    Find 63% of 134

    Answer: 84.42
  5. 5. Statistics

    Find the range of: 19, -3, 48, -12, 23

    Answer: 60