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Lintel Jan 1 - 7 25 questions
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Monday 10 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 245, 252, and 124

    Answer: 621
  2. 2. Algebra

    Solve: x⁄4 = 3

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 30cm. Find the angle

    Answer: 42.8°
  4. 4. Ratio

    Calculate 26.6% of 462

    Answer: 122.89
  5. 5. Statistics

    A bag has 8 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 8⁄11

Tuesday 11 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 995 + 650

    Answer: 1645
  2. 2. Algebra

    Solve: 2x = 18

    Answer: x = 9
  3. 3. Geometry

    Opposite = 11cm, adjacent = 10cm. Calculate the angle

    Answer: 47.7°
  4. 4. Ratio

    Calculate 45.6% of 519

    Answer: 236.66
  5. 5. Statistics

    Find the range of: -14, 33, 4, 44, 13

    Answer: 58

Wednesday 12 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 66 + ? = 123

    Answer: 57
  2. 2. Algebra

    Factorise: 3x² + 3x

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

    Adjacent = 27cm, hypotenuse = 32cm. Find the angle

    Answer: 32.5°
  4. 4. Ratio

    Calculate 45.6% of 402

    Answer: 183.31
  5. 5. Statistics

    Find the range of: 36, 17, -22, 7, 18

    Answer: 58

Thursday 13 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 96. What are the numbers?

    Answer: 31, 32, and 33
  2. 2. Algebra

    Solve: x⁄2 = 18

    Answer: x = 36
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 14cm

    Answer: 16.12cm
  4. 4. Ratio

    Calculate 27.2% of 351

    Answer: 95.47
  5. 5. Statistics

    A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 4⁄7

Friday 14 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 995 + 766

    Answer: 1761
  2. 2. Algebra

    Solve: x⁄2 = 18.5

    Answer: x = 37
  3. 3. Geometry

    Opposite = 8cm, adjacent = 17cm. Calculate the angle

    Answer: 25.2°
  4. 4. Ratio

    Find 43% of 121

    Answer: 52.03
  5. 5. Statistics

    Find the range of: -19, 16, 26, 25, 14

    Answer: 45