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Bedrock Jan 1 - 7 25 questions
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Monday 3 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 33 + 45

    Answer: 33 + 45 = 78
  2. 2. Algebra

    Find the next term: 17, 22, 27, 32, ...

    Answer: 37
  3. 3. Geometry

    Find the area of a circle with radius 5cm

    Answer: 78.54cm²
  4. 4. Ratio

    Simplify the ratio 12:14

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 2, 16, 18, 10

    Answer: 11.5

Tuesday 4 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    List the first 5 multiples of 3

    Answer: 3, 6, 9, 12, 15
  2. 2. Algebra

    Solve: x + 8 = 23

    Answer: x = 15
  3. 3. Geometry

    Find the area of a right triangle with base 11cm and height 6cm

    Answer: 33cm²
  4. 4. Ratio

    Simplify the ratio 14:10

    Answer: 7:5
  5. 5. Statistics

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

    Answer: 16

Wednesday 5 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 411 + 411

    Answer: 811
  2. 2. Algebra

    Simplify: 7x + 3x

    Answer: 10x
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

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

    Simplify the ratio 40:20

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 19, 6, 14

    Answer: 13

Thursday 6 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 93 × 93

    Answer: 96
  2. 2. Algebra

    Simplify: 6x + 7x

    Answer: 13x
  3. 3. Geometry

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

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

    Simplify the ratio 16:28

    Answer: 4:7
  5. 5. Statistics

    Find the mean of: 16, 8, 15, 12

    Answer: 12.75

Friday 7 February 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 58 + 28

    Answer: 78
  2. 2. Algebra

    Simplify: 2x + 6x

    Answer: 8x
  3. 3. Geometry

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

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

    In ratio 7:4, the difference between shares is 81. What are the shares?

    Answer: 189 and 108
  5. 5. Statistics

    Find the mean of: 15, 16, 3

    Answer: 11.333333333333