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Cornerstone Jan 1 - 7 25 questions
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Monday 26 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 469 + 289

    Answer: 469 + 289 = 758
  2. 2. Algebra

    Expand: 4(4x + 6)

    Answer: 16x + 24
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Simplify: 12:6:6

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

    Find the mean of: 18, 20, 14, 6

    Answer: 14.5

Tuesday 27 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 410 + 310

    Answer: 710
  2. 2. Algebra

    Solve: x + 7 = 17

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 13cm

    Answer: 16.4cm
  4. 4. Ratio

    Simplify: 4:4:12

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

    Calculate the range of: 55, 36, 37, 31, 67, 23

    Answer: 44

Wednesday 28 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 25 + 23

    Answer: 25 + 23 = 48
  2. 2. Algebra

    Expand: 5(x + 7)

    Answer: 5x + 35
  3. 3. Geometry

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

    Answer: 42.5°
  4. 4. Ratio

    Find 84% of 404

    Answer: 339.36
  5. 5. Statistics

    A bag has 5 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 512

Thursday 29 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 92 + ? = 129

    Answer: 37
  2. 2. Algebra

    Collect like terms: 2x + 5y + 2x + 6y

    Answer: 4x + 11y
  3. 3. Geometry

    Find the area of a circle with radius 7cm

    Answer: 153.94cm²
  4. 4. Ratio

    Simplify: 18:6:9

    Answer: 6:2:3
  5. 5. Statistics

    Find the mean of: 17, 20, 12

    Answer: 16.333333333333

Friday 30 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 716 + 418

    Answer: 716 + 418 = 1134
  2. 2. Algebra

    What is the next term? 2, 6, 18, 54, ...

    Answer: 162
  3. 3. Geometry

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

    Answer: 46.8°
  4. 4. Ratio

    Find 53% of 89

    Answer: 47.17
  5. 5. Statistics

    Find the mean of: 7, 17, 19, 5

    Answer: 12