Change pack
Cornerstone Jan 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 18 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 277, 116, and 133

    Answer: 526
  2. 2. Algebra

    What is the next term? 5, 20, 80, 320, ...

    Answer: 1280
  3. 3. Geometry

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

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

    Simplify: 20:20:16

    Answer: 5:5:4
  5. 5. Statistics

    Calculate the range of: 93, 81, 62, 85, 43, 66

    Answer: 50

Tuesday 19 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 75 + 74

    Answer: 75 + 74 = 149
  2. 2. Algebra

    Solve: x + 12 = 15

    Answer: x = 3
  3. 3. Geometry

    Opposite = 13cm, adjacent = 10cm. Calculate the angle

    Answer: 52.4°
  4. 4. Ratio

    Simplify: 6:10:4

    Answer: 3:5:2
  5. 5. Statistics

    Find the mean of: 17, 6, 13, 14, 13

    Answer: 12.6

Wednesday 20 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 285, 232, and 136

    Answer: 653
  2. 2. Algebra

    Solve: x + 7 = 12

    Answer: x = 5
  3. 3. Geometry

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

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

    Simplify: 12:24:12

    Answer: 1:2:1
  5. 5. Statistics

    Calculate the mean of: 11, 22, 19, 33, 22, 20, 32, 7

    Answer: 20.8

Thursday 21 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 23 + 90

    Answer: 23 + 90 = 113
  2. 2. Algebra

    Collect like terms: 2x + 5y + 4x + 3y

    Answer: 6x + 8y
  3. 3. Geometry

    Opposite = 11cm, adjacent = 11cm. Calculate the angle

    Answer: 45°
  4. 4. Ratio

    Find 55% of 432

    Answer: 237.6
  5. 5. Statistics

    Find the mean of: 13, 18, 4

    Answer: 11.666666666667

Friday 22 November 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 60 + ? = 140

    Answer: 80
  2. 2. Algebra

    Solve: 10x - 12 = 6x + 4

    Answer: x = 4
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

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

    Simplify: 24:24:8

    Answer: 3:3:1
  5. 5. Statistics

    Find the range of: 11, 6, 25, 23, 36

    Answer: 30