Change pack
Cornerstone Jul 25 - 31 25 questions
PDF (questions) PDF (answers)

Monday 25 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄8 + 1⁄8

    Answer: 1⁄4
  2. 2. Algebra

    Solve: 5x + 15 = 70

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 13cm

    Answer: 16.4cm
  4. 4. Ratio

    Share 70 in the ratio 2:3

    Answer: 28 and 42
  5. 5. Statistics

    Find the mean of: 4, 13, 13, 11

    Answer: 10.25

Tuesday 26 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄4 + 2⁄5

    Answer: 13⁄20
  2. 2. Algebra

    Solve: 3x + 5 = 17

    Answer: x = 4
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 40cm

    Answer: 41cm
  4. 4. Ratio

    Share 52 in the ratio 3:1

    Answer: 39 and 13
  5. 5. Statistics

    Find the mean of: 6, 8, 12, 19

    Answer: 11.25

Wednesday 27 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄12 + 10⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 2x - 10 = 2

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 6cm

    Answer: 10cm
  4. 4. Ratio

    Share 42 in the ratio 4:3

    Answer: 24 and 18
  5. 5. Statistics

    Calculate the mean of: 34, 20, 32, 32, 48, 12, 46

    Answer: 32

Thursday 28 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄7 + 3⁄5

    Answer: 41⁄35
  2. 2. Algebra

    Solve: 3x - 12 = 24

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 4cm

    Answer: 6.4cm
  4. 4. Ratio

    Share 120 in the ratio 2:1

    Answer: 80 and 40
  5. 5. Statistics

    Calculate the mean of: 47, 11, 24, 8, 44, 43

    Answer: 29.5

Friday 29 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 6⁄7 + 1⁄3

    Answer: 25⁄21
  2. 2. Algebra

    Solve: 6x + 7 = 31

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 6cm

    Answer: 9.22cm
  4. 4. Ratio

    Share 36 in the ratio 1:3

    Answer: 9 and 27
  5. 5. Statistics

    Find the mean of: 16, 19, 13

    Answer: 16