Change pack
Bedrock Jan 1 - 7 25 questions
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Monday 1 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 36 + 30

    Answer: 36 + 30 = 66
  2. 2. Algebra

    Factorise: 10x + 8

    Answer: 2(5x + 4)
  3. 3. Geometry

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

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

    Simplify the ratio 25:10

    Answer: 5:2
  5. 5. Statistics

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

    Answer: 12

Tuesday 2 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 73 + 87

    Answer: 73 + 87 = 160
  2. 2. Algebra

    Solve: x + 3 = 11

    Answer: x = 8
  3. 3. Geometry

    Find the area of a right triangle with base 7cm and height 6cm

    Answer: 21cm²
  4. 4. Ratio

    Simplify the ratio 21:12

    Answer: 7:4
  5. 5. Statistics

    Find the mean of: 8, 6, 12

    Answer: 8.6666666666667

Wednesday 3 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    4000

    Answer: 4 × 103
  2. 2. Algebra

    Find the midpoint of (2, 4) and (17, 16)

    Answer: (9.5, 10)
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 18.4cm. Find the angle

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

    Calculate 25% of 199

    Answer: 49.75
  5. 5. Statistics

    Find the mean of: 7, 19, 13

    Answer: 13

Thursday 4 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 810 + 110

    Answer: 910
  2. 2. Algebra

    Find the next term: 12, 19, 26, 33, ...

    Answer: 40
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

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

    Calculate 10% of 117

    Answer: 11.7
  5. 5. Statistics

    Find the range of: 26, 25, 28, 30, 19

    Answer: 11

Friday 5 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 52 × 52

    Answer: 54
  2. 2. Algebra

    Factorise: 10x + 4

    Answer: 2(5x + 2)
  3. 3. Geometry

    Find the area of a right triangle with base 9cm and height 5cm

    Answer: 22.5cm²
  4. 4. Ratio

    Simplify the ratio 12:14

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 8, 16, 16, 20

    Answer: 15