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

Monday 20 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 105, 237, and 65

    Answer: 407
  2. 2. Algebra

    What is the next term? 6, 12, 24, 48, ...

    Answer: 96
  3. 3. Geometry

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

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

    Find 54% of 347

    Answer: 187.38
  5. 5. Statistics

    Find the mean of: 11, 15, 19, 9

    Answer: 13.5

Tuesday 21 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 87 + 93

    Answer: 87 + 93 = 180
  2. 2. Algebra

    Find the next term: 24, 28, 32, 36, ...

    Answer: 40
  3. 3. Geometry

    Calculate perimeter: two sides are 8cm and 9cm at right angles

    Answer: 29cm
  4. 4. Ratio

    Simplify: 8:24:20

    Answer: 2:6:5
  5. 5. Statistics

    Calculate the mean of: 18, 37, 21, 30, 9, 34, 41

    Answer: 27.1

Wednesday 22 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 47 + ? = 157

    Answer: 110
  2. 2. Algebra

    Solve: x + 14 = 29

    Answer: x = 15
  3. 3. Geometry

    Find the perimeter of a right triangle with sides 3cm, 4cm, 5cm

    Answer: 12cm
  4. 4. Ratio

    Simplify: 16:12:24

    Answer: 4:3:6
  5. 5. Statistics

    Calculate the range of: 90, 53, 64, 24, 55, 92

    Answer: 68

Thursday 23 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 39 + 55

    Answer: 39 + 55 = 94
  2. 2. Algebra

    Solve: 3x = 21

    Answer: x = 7
  3. 3. Geometry

    Opposite = 19cm, adjacent = 9cm. Calculate the angle

    Answer: 64.7°
  4. 4. Ratio

    Find 32% of 188

    Answer: 60.16
  5. 5. Statistics

    Find the mean of: 4, 4, 2, 7

    Answer: 4.25

Friday 24 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 36 + 57

    Answer: 36 + 57 = 93
  2. 2. Algebra

    What is the next term? 4, 12, 36, 108, ...

    Answer: 324
  3. 3. Geometry

    Opposite = 12cm, adjacent = 12cm. Calculate the angle

    Answer: 45°
  4. 4. Ratio

    Calculate 50% of 73

    Answer: 36.5
  5. 5. Statistics

    Calculate the mean of: 24, 7, 31, 47, 45, 37, 6, 43

    Answer: 30