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Bedrock Jan 1 - 7 25 questions
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Monday 21 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8 + 8

    Answer: 16
  2. 2. Algebra

    Solve: x + 13 = 27

    Answer: x = 14
  3. 3. Geometry

    Find the area of a right triangle with base 4cm and height 12cm

    Answer: 24cm²
  4. 4. Ratio

    Simplify the ratio 40:25

    Answer: 8:5
  5. 5. Statistics

    Find the median of: 18, 16, 12, 12, 13

    Answer: 13

Tuesday 22 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 16 + 28

    Answer: 16 + 28 = 44
  2. 2. Algebra

    Simplify: 4x + 4x

    Answer: 8x
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 12.7cm. Find the angle

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

    Simplify the ratio 8:14

    Answer: 4:7
  5. 5. Statistics

    Find the mean of: 6, 20, 18, 13, 19

    Answer: 15.2

Wednesday 23 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 35 + 98

    Answer: 35 + 98 = 133
  2. 2. Algebra

    Factorise: 20x + 28

    Answer: 4(5x + 7)
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 10:4

    Answer: 5:2
  5. 5. Statistics

    Find the mean of: 10, 8, 20

    Answer: 12.666666666667

Thursday 24 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Multiply: 22 × 3

    Answer: 22 × 3 = 66
  2. 2. Algebra

    Find the next term: 16, 18, 20, 22, ...

    Answer: 24
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 30:15

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 17, 19, 11, 5

    Answer: 13

Friday 25 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 15 + 13

    Answer: 15 + 13 = 28
  2. 2. Algebra

    Find the next term: 22, 29, 36, 43, ...

    Answer: 50
  3. 3. Geometry

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

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

    Simplify the ratio 15:6

    Answer: 5:2
  5. 5. Statistics

    Find the mean of: 5, 13, 19

    Answer: 12.333333333333