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Lintel Jan 1 - 7 25 questions
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Monday 28 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 37 + ? = 194

    Answer: 157
  2. 2. Algebra

    Solve: 3x = 15

    Answer: x = 5
  3. 3. Geometry

    Opposite = 11cm, adjacent = 12cm. Calculate the angle

    Answer: 42.5°
  4. 4. Ratio

    Simplify: 12:18:6

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

    Calculate the mean of: 23, 11, 13, 20, 38, 46, 26, 35

    Answer: 26.5

Tuesday 1 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 268, 144, and 123

    Answer: 535
  2. 2. Algebra

    Solve: 3x = 45

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 31cm. Find the angle

    Answer: 58.9°
  4. 4. Ratio

    Simplify: 20:20:24

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

    Find the range of: 15, 28, -27, 29, 30

    Answer: 57

Wednesday 2 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 660

    Answer: 1656
  2. 2. Algebra

    What is the next term? 3, 6, 12, 24, ...

    Answer: 48
  3. 3. Geometry

    Opposite = 20cm, adjacent = 17cm. Calculate the angle

    Answer: 49.6°
  4. 4. Ratio

    Find 76% of 217

    Answer: 164.92
  5. 5. Statistics

    Find the range of: -21, 15, -23, -21, 47

    Answer: 70

Thursday 3 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 768 + 367

    Answer: 768 + 367 = 1135
  2. 2. Algebra

    Solve: x6 = 3

    Answer: x = 18
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 26cm. Find the angle

    Answer: 57.4°
  4. 4. Ratio

    Find 35% of 66

    Answer: 23.1
  5. 5. Statistics

    A bag has 3 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 13

Friday 4 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 46 + 38

    Answer: 2524
  2. 2. Algebra

    Solve: x8 = 2.25

    Answer: x = 18
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 34cm. Find the angle

    Answer: 63.8°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: -23, 27, -23, 33, -17

    Answer: 56