Change pack
Cornerstone Mar 18 - 24 25 questions
PDF (questions) PDF (answers)

Monday 18 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄6 + 1⁄3

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 5x - 20 = 5

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 20cm

    Answer: 25cm
  4. 4. Ratio

    Share 48 in the ratio 1:3

    Answer: 12 and 36
  5. 5. Statistics

    Find the mean of: 16, 11, 6, 11, 11

    Answer: 11

Tuesday 19 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 4⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 4x + 9 = 29

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 9cm

    Answer: 10.82cm
  4. 4. Ratio

    Share 50 in the ratio 1:4

    Answer: 10 and 40
  5. 5. Statistics

    Calculate the mean of: 50, 6, 46, 5, 29, 18, 24, 44

    Answer: 27.8

Wednesday 20 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄5 + 1⁄3

    Answer: 11⁄15
  2. 2. Algebra

    Solve: 2x + 14 = 24

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 20cm and 21cm

    Answer: 29cm
  4. 4. Ratio

    Share 64 in the ratio 3:1

    Answer: 48 and 16
  5. 5. Statistics

    Find the mean of: 14, 18, 11

    Answer: 14.333333333333

Thursday 21 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄9 + 2⁄9

    Answer: 5⁄9
  2. 2. Algebra

    Solve: 6x - 7 = 35

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 11cm

    Answer: 12.08cm
  4. 4. Ratio

    Share 66 in the ratio 2:1

    Answer: 44 and 22
  5. 5. Statistics

    Calculate the mean of: 33, 18, 9, 15, 49, 17

    Answer: 23.5

Friday 22 March 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄7 + 4⁄5

    Answer: 48⁄35
  2. 2. Algebra

    Solve: 5x - 7 = 13

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 8cm

    Answer: 10.63cm
  4. 4. Ratio

    Share 114 in the ratio 2:1

    Answer: 76 and 38
  5. 5. Statistics

    Calculate the mean of: 27, 48, 14, 37, 47, 10

    Answer: 30.5