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Cornerstone Jan 1 - 7 25 questions
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Monday 16 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 95 + 88

    Answer: 95 + 88 = 183
  2. 2. Algebra

    Find the next term: 18, 26, 34, 42, ...

    Answer: 50
  3. 3. Geometry

    Find the distance between (3, 2) and (8, 7)

    Answer: 7.07
  4. 4. Ratio

    Calculate 50% of 63

    Answer: 31.5
  5. 5. Statistics

    Find the range of: 29, 26, 16, 10, 12

    Answer: 19

Tuesday 17 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    9700000

    Answer: 9.7 × 106
  2. 2. Algebra

    Collect like terms: 7x + 2y + 2x + 7y

    Answer: 9x + 9y
  3. 3. Geometry

    Calculate the area of a circle with diameter 9cm

    Answer: 63.62cm²
  4. 4. Ratio

    Calculate 25% of 195

    Answer: 48.75
  5. 5. Statistics

    Calculate the range of: 50, 90, 79, 24, 92, 93

    Answer: 69

Wednesday 18 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 886 + 449

    Answer: 886 + 449 = 1335
  2. 2. Algebra

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

    Answer: 1536
  3. 3. Geometry

    Calculate perimeter: two sides are 14cm and 13cm at right angles

    Answer: 46.cm
  4. 4. Ratio

    Calculate 25% of 46

    Answer: 11.5
  5. 5. Statistics

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

    Answer: 811

Thursday 19 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 32 + 24

    Answer: 32 + 24 = 56
  2. 2. Algebra

    Factorise: 12x + 12

    Answer: 6(2x + 2)
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 16:12

    Answer: 4:3
  5. 5. Statistics

    Find the range of: 31, 39, 10, 39, 28

    Answer: 29

Friday 20 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 565 + 381

    Answer: 565 + 381 = 946
  2. 2. Algebra

    Solve: x + 8 = 24

    Answer: x = 16
  3. 3. Geometry

    Calculate the area of a circle with diameter 21cm

    Answer: 346.36cm²
  4. 4. Ratio

    Simplify the ratio 20:30

    Answer: 2:3
  5. 5. Statistics

    A bag has 7 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 715