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Bedrock Jan 1 - 7 25 questions
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Monday 12 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -4 + (-1)

    Answer: -5
  2. 2. Algebra

    Simplify: 9x + 9x

    Answer: 18x
  3. 3. Geometry

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

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

    Simplify the ratio 12:16

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 9, 5, 17, 7, 8

    Answer: 9.2

Tuesday 13 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 25 + 30

    Answer: 25 + 30 = 55
  2. 2. Algebra

    Find the midpoint of (4, 3) and (14, 13)

    Answer: (9, 8)
  3. 3. Geometry

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

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

    Simplify the ratio 12:24

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 6, 17, 8

    Answer: 10.333333333333

Wednesday 14 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 210 + 510

    Answer: 710
  2. 2. Algebra

    Simplify: 7x + 5x

    Answer: 12x
  3. 3. Geometry

    Find the area of a right triangle with base 6cm and height 9cm

    Answer: 27cm²
  4. 4. Ratio

    Calculate 25% of 189

    Answer: 47.25
  5. 5. Statistics

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

    Answer: 12

Thursday 15 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 110 + 810

    Answer: 910
  2. 2. Algebra

    Simplify: 7x + 9x

    Answer: 16x
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 8.5cm. Find the angle

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

    Simplify the ratio 24:9

    Answer: 8:3
  5. 5. Statistics

    Find the mean of: 5, 5, 17

    Answer: 9

Friday 16 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 19 + 36

    Answer: 19 + 36 = 55
  2. 2. Algebra

    Simplify: 9x + 8x

    Answer: 17x
  3. 3. Geometry

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

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

    Simplify the ratio 28:8

    Answer: 7:2
  5. 5. Statistics

    Find the mean of: 4, 5, 8

    Answer: 5.6666666666667