Change pack
Cornerstone Feb 7 - 13 25 questions
PDF (questions) PDF (answers)

Monday 7 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄10 + 3⁄10

    Answer: 3⁄5
  2. 2. Algebra

    Solve: 3x - 9 = 36

    Answer: x = 15
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio

    Share 30 in the ratio 3:2

    Answer: 18 and 12
  5. 5. Statistics

    Calculate the mean of: 47, 26, 49, 23, 30, 19

    Answer: 32.3

Tuesday 8 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄7 + 1⁄7

    Answer: 2⁄7
  2. 2. Algebra

    Solve: 6x - 20 = 28

    Answer: x = 8
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio

    Share 75 in the ratio 1:4

    Answer: 15 and 60
  5. 5. Statistics

    Calculate the mean of: 42, 50, 39, 7, 19, 7, 42

    Answer: 29.4

Wednesday 9 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄4 + 1⁄8

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 5x + 14 = 69

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 7.62cm
  4. 4. Ratio

    Share 54 in the ratio 2:1

    Answer: 36 and 18
  5. 5. Statistics

    Find the mean of: 7, 7, 3, 18

    Answer: 8.75

Thursday 10 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 7⁄8 + 2⁄7

    Answer: 65⁄56
  2. 2. Algebra

    Solve: 6x + 10 = 28

    Answer: x = 3
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Share 56 in the ratio 4:3

    Answer: 32 and 24
  5. 5. Statistics

    Find the mean of: 13, 19, 16, 14

    Answer: 15.5

Friday 11 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄8 + 2⁄8

    Answer: 3⁄4
  2. 2. Algebra

    Solve: 2x - 9 = 17

    Answer: x = 13
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 5cm

    Answer: 5.83cm
  4. 4. Ratio

    Share 65 in the ratio 3:2

    Answer: 39 and 26
  5. 5. Statistics

    Calculate the mean of: 20, 28, 29, 23, 13, 15

    Answer: 21.3