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Bedrock Jun 25 - Jul 1 25 questions
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Monday 22 June 2026

Keystones #7 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄7 + 3⁄7

    Answer: 4⁄7
  2. 2. Algebra

    Simplify: 6x + 4x

    Answer: 10x
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Calculate 10% of 51

    Answer: 5.1
  5. 5. Statistics

    What is the probability of rolling a 3 on a fair die?

    Answer: 1⁄6

Tuesday 23 June 2026

Keystones #8 · Five questions · Open this day only

  1. 1. Number

    Calculate: 68 + 22

    Answer: 68 + 22 = 90
  2. 2. Algebra

    Expand: 9(x + 5)

    Answer: 9x + 45
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 22cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 20:8

    Answer: 5:2
  5. 5. Statistics

    Find the mean of: 6, 8, 6, 10

    Answer: 7.5

Wednesday 24 June 2026

Keystones #9 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7 + 1

    Answer: 8
  2. 2. Algebra

    Simplify: 2x + 2x

    Answer: 4x
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 28cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 9:21

    Answer: 3:7
  5. 5. Statistics

    Find the range of: 12, 17, 7, 24, 12

    Answer: 17

Thursday 25 June 2026

Keystones #10 · Five questions · Open this day only

  1. 1. Number

    Calculate: 17 + 15

    Answer: 17 + 15 = 32
  2. 2. Algebra

    Simplify: 5x + 4x

    Answer: 9x
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    In ratio 7:1, the difference between shares is 150. What are the shares?

    Answer: 175 and 25
  5. 5. Statistics

    What is the probability of rolling a 4 on a fair die?

    Answer: 1⁄6

Friday 26 June 2026

Keystones #11 · Five questions · Open this day only

  1. 1. Number

    Calculate: 33 + 50

    Answer: 33 + 50 = 83
  2. 2. Algebra

    Simplify: 9x + 8x

    Answer: 17x
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 7.cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Calculate 50% of 60

    Answer: 30
  5. 5. Statistics

    Find the median of: 7, 14, 19, 14, 14

    Answer: 14