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Bedrock Apr 16 - 22 25 questions
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Monday 20 April 2026

Keystones #110 · Five questions · Open this day only

  1. 1. Number

    Calculate: 44 + 48

    Answer: 44 + 48 = 92
  2. 2. Algebra

    Simplify: 3x + 7x

    Answer: 10x
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 15cm. Find the angle

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

    Simplify the ratio 35:15

    Answer: 7:3
  5. 5. Statistics

    What is the probability of rolling a 6 on a fair die?

    Answer: 1⁄6

Tuesday 21 April 2026

Keystones #111 · Five questions · Open this day only

  1. 1. Number

    List the first 5 multiples of 8

    Answer: 8, 16, 24, 32, 40
  2. 2. Algebra

    Find the next term: 5, 10, 15, 20, ...

    Answer: 25
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 26cm. Find the angle

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

    Simplify the ratio 40:15

    Answer: 8:3
  5. 5. Statistics

    Find the mean of: 8, 5, 17, 13, 18

    Answer: 12.2

Wednesday 22 April 2026

Keystones #112 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Simplify: 2x + 6x

    Answer: 8x
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 5.8cm. Find the angle

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

    Simplify the ratio 6:12

    Answer: 1:2
  5. 5. Statistics

    Find the median of: 5, 15, 15, 5, 12

    Answer: 12

Thursday 23 April 2026

Keystones #113 · Five questions · Open this day only

  1. 1. Number

    Calculate: 43 + 38

    Answer: 43 + 38 = 81
  2. 2. Algebra

    Solve: x + 8 = 14

    Answer: x = 6
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 19.8cm. Find the angle

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

    Simplify the ratio 15:6

    Answer: 5:2
  5. 5. Statistics

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

    Answer: 1⁄6

Friday 24 April 2026

Keystones #114 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄7 + 2⁄7

    Answer: 4⁄7
  2. 2. Algebra

    Simplify: 9x + 6x

    Answer: 15x
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

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

    Simplify the ratio 15:40

    Answer: 3:8
  5. 5. Statistics

    What is the probability of getting heads when flipping a fair coin?

    Answer: 1⁄2