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Bedrock Jan 1 - 7 25 questions
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Monday 10 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 33 + 15

    Answer: 33 + 15 = 48
  2. 2. Algebra

    Factorise: 32x + 8

    Answer: 4(8x + 2)
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

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

    Simplify the ratio 8:12

    Answer: 2:3
  5. 5. Statistics

    Find the range of: 21, 21, 7, 11, 9

    Answer: 14

Tuesday 11 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄8 + 1⁄8

    Answer: 3⁄4
  2. 2. Algebra

    Simplify: 5x + 7x

    Answer: 12x
  3. 3. Geometry

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

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

    Simplify the ratio 9:6

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 17, 17, 4, 16

    Answer: 13.5

Wednesday 12 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄12 + 2⁄12

    Answer: 7⁄12
  2. 2. Algebra

    Simplify: 5x + 7x

    Answer: 12x
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 21.2cm. Find the angle

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

    Simplify the ratio 8:10

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 19, 15, 19, 11

    Answer: 16

Thursday 13 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 75 + 67

    Answer: 75 + 67 = 142
  2. 2. Algebra

    Solve: x + 14 = 30

    Answer: x = 16
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

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

    Simplify the ratio 24:28

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 20, 17, 4

    Answer: 13.666666666667

Friday 14 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 42 + 25

    Answer: 42 + 25 = 67
  2. 2. Algebra

    Simplify: 7x + 4x

    Answer: 11x
  3. 3. Geometry

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

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

    Simplify the ratio 12:32

    Answer: 3:8
  5. 5. Statistics

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

    Answer: 10.75