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Bedrock Apr 2 - 8 25 questions
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Monday 30 March 2026

Keystones #89 · Five questions · Open this day only

  1. 1. Number

    Multiply: 53 × 7

    Answer: 53 × 7 = 371
  2. 2. Algebra

    Find the next term: 8, 18, 28, 38, ...

    Answer: 48
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 14.cm. Find the angle

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

    Simplify the ratio 24:12

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 9, 3, 7, 7, 6

    Answer: 6.4

Tuesday 31 March 2026

Keystones #90 · Five questions · Open this day only

  1. 1. Number

    Calculate: 81 + 99

    Answer: 81 + 99 = 180
  2. 2. Algebra

    Expand: 7(x + 6)

    Answer: 7x + 42
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 18cm. Find the angle

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

    Calculate 25% of 51

    Answer: 12.75
  5. 5. Statistics

    Find the mean of: 8, 6, 17

    Answer: 10.333333333333

Wednesday 1 April 2026

Keystones #91 · Five questions · Open this day only

  1. 1. Number

    Multiply: 67 × 8

    Answer: 67 × 8 = 536
  2. 2. Algebra

    Simplify: 5x + 3x

    Answer: 8x
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 11.3cm. Find the angle

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

    Simplify the ratio 8:14

    Answer: 4:7
  5. 5. Statistics

    Find the mean of: 11, 12, 20

    Answer: 14.333333333333

Thursday 2 April 2026

Keystones #92 · Five questions · Open this day only

  1. 1. Number

    Calculate: 84 + 23

    Answer: 84 + 23 = 107
  2. 2. Algebra

    Find the next term: 29, 35, 41, 47, ...

    Answer: 53
  3. 3. Geometry

    Find the area of a right triangle with base 12cm and height 9cm

    Answer: 54cm²
  4. 4. Ratio

    Simplify the ratio 20:30

    Answer: 2:3
  5. 5. Statistics

    Find the range of: 18, 28, 19, 21, 43

    Answer: 25

Friday 3 April 2026

Keystones #93 · Five questions · Open this day only

  1. 1. Number

    Calculate: 18 + 47

    Answer: 18 + 47 = 65
  2. 2. Algebra

    Find the next term: 16, 22, 28, 34, ...

    Answer: 40
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

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

    Simplify the ratio 9:6

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 10, 18, 3, 19, 18

    Answer: 13.6