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

Monday 18 April 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄5 + 2⁄4

    Answer: 9⁄10
  2. 2. Algebra

    Solve: 5x - 17 = 58

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 15cm

    Answer: 17cm
  4. 4. Ratio

    Share 90 in the ratio 3:2

    Answer: 54 and 36
  5. 5. Statistics

    Calculate the mean of: 11, 38, 21, 17, 15, 11, 47. Give your answer to 2 decimal places

    Answer: 22.86

Tuesday 19 April 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 6x + 14 = 32

    Answer: x = 3
  3. 3. Geometry

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

    Answer: 20cm
  4. 4. Ratio

    Share 95 in the ratio 1:4

    Answer: 19 and 76
  5. 5. Statistics

    Find the mean of: 7, 12, 6, 3

    Answer: 7

Wednesday 20 April 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄7 + 3⁄4

    Answer: 33⁄28
  2. 2. Algebra

    Solve: 2x + 14 = 24

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 11.7cm
  4. 4. Ratio

    Share 112 in the ratio 4:3

    Answer: 64 and 48
  5. 5. Statistics

    Calculate the mean of: 23, 28, 26, 25, 39, 13, 31. Give your answer to 2 decimal places

    Answer: 26.43

Thursday 21 April 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄8 + 1⁄8

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 7x - 9 = 96

    Answer: x = 15
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Share 21 in the ratio 1:2

    Answer: 7 and 14
  5. 5. Statistics

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

    Answer: 11

Friday 22 April 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄5 + 4⁄6

    Answer: 13⁄15
  2. 2. Algebra

    Solve: 3x - 18 = 21

    Answer: x = 13
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 7.07cm
  4. 4. Ratio

    Share 18 in the ratio 2:1

    Answer: 12 and 6
  5. 5. Statistics

    Find the mean of: 11, 14, 2

    Answer: 9