Change pack
Cornerstone Aug 29 - Sep 4 25 questions
PDF (questions) PDF (answers)

Monday 29 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄7 + 1⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 7x + 7 = 91

    Answer: x = 12
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 7cm and 24cm

    Answer: 25cm
  4. 4. Ratio

    Share 100 in the ratio 2:3

    Answer: 40 and 60
  5. 5. Statistics

    Find the mean of: 10, 6, 4, 16

    Answer: 9

Tuesday 30 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄12 + 4⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 6x + 3 = 39

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 5cm

    Answer: 7.81cm
  4. 4. Ratio

    Share 36 in the ratio 2:1

    Answer: 24 and 12
  5. 5. Statistics

    Find the mean of: 10, 13, 18, 4

    Answer: 11.25

Wednesday 31 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄6 + 1⁄5

    Answer: 8⁄15
  2. 2. Algebra

    Solve: 4x - 6 = 50

    Answer: x = 14
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 35cm

    Answer: 37cm
  4. 4. Ratio

    Share 95 in the ratio 1:4

    Answer: 19 and 76
  5. 5. Statistics

    Calculate the mean of: 36, 13, 27, 21, 21, 21, 19

    Answer: 22.6

Thursday 1 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄7 + 7⁄8

    Answer: 65⁄56
  2. 2. Algebra

    Solve: 2x - 15 = 3

    Answer: x = 9
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Share 90 in the ratio 4:1

    Answer: 72 and 18
  5. 5. Statistics

    Find the mean of: 2, 9, 9, 20, 20

    Answer: 12

Friday 2 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄10 + 3⁄10

    Answer: 9⁄10
  2. 2. Algebra

    Solve: 2x - 17 = 13

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 7cm

    Answer: 7.62cm
  4. 4. Ratio

    Share 51 in the ratio 2:1

    Answer: 34 and 17
  5. 5. Statistics

    Find the mean of: 18, 10, 9, 14

    Answer: 12.75