Change pack
Cornerstone Jan 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 26 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 371 + 104

    Answer: 371 + 104 = 475
  2. 2. Algebra

    Collect like terms: 2x + 7y + 5x + 8y

    Answer: 7x + 15y
  3. 3. Geometry

    Calculate the area of a circle with diameter 16cm

    Answer: 201.06cm²
  4. 4. Ratio

    Simplify: 4:10:12

    Answer: 2:5:6
  5. 5. Statistics

    Calculate the range of: 66, 80, 32, 55, 40, 78

    Answer: 48

Tuesday 27 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 47 + 57

    Answer: 47 + 57 = 104
  2. 2. Algebra

    Solve: x + 6 = 13

    Answer: x = 7
  3. 3. Geometry

    Find the area of a circle with radius 7cm

    Answer: 153.94cm²
  4. 4. Ratio

    Simplify: 8:8:16

    Answer: 1:1:2
  5. 5. Statistics

    Find the mean of: 10, 6, 10, 2, 8

    Answer: 7.2

Wednesday 28 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 40 + 62

    Answer: 40 + 62 = 102
  2. 2. Algebra

    Solve: x + 11 = 23

    Answer: x = 12
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify: 20:20:8

    Answer: 5:5:2
  5. 5. Statistics

    Find the mean of: 12, 9, 16

    Answer: 12.333333333333

Thursday 29 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 56 + 14

    Answer: 1312
  2. 2. Algebra

    Solve: 5x - 7 = 3x + 13

    Answer: x = 10
  3. 3. Geometry

    Opposite = 13cm, adjacent = 17cm. Calculate the angle

    Answer: 37.4°
  4. 4. Ratio

    Simplify: 12:10:8

    Answer: 6:5:4
  5. 5. Statistics

    Calculate the mean of: 8, 5, 17, 12, 19, 5, 12

    Answer: 11.1

Friday 1 March 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 25 + 38

    Answer: 25 + 38 = 63
  2. 2. Algebra

    Factorise: 24x + 28

    Answer: 4(6x + 7)
  3. 3. Geometry

    Calculate the area of a circle with diameter 8cm

    Answer: 50.27cm²
  4. 4. Ratio

    Find 70% of 284

    Answer: 198.8
  5. 5. Statistics

    Calculate the mean of: 30, 6, 5, 47, 40, 9

    Answer: 22.8