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

Monday 4 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 504 + 889

    Answer: 504 + 889 = 1393
  2. 2. Algebra

    Find the next term: 25, 30, 35, 40, ...

    Answer: 45
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 28:32

    Answer: 7:8
  5. 5. Statistics

    Find the mean of: 9, 9, 9, 11, 20

    Answer: 11.6

Tuesday 5 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5²

    Answer: 25
  2. 2. Algebra

    Expand: 4(6x + 3)

    Answer: 24x + 12
  3. 3. Geometry

    Calculate the area of a circle with diameter 17cm

    Answer: 226.98cm²
  4. 4. Ratio

    Simplify the ratio 8:4

    Answer: 2:1
  5. 5. Statistics

    Calculate the range of: 35, 41, 49, 65, 55, 48

    Answer: 30

Wednesday 6 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄4 + 2⁄3

    Answer: 11⁄12
  2. 2. Algebra

    Expand: 6(2x + 6)

    Answer: 12x + 36
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 17cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Calculate 50% of 75

    Answer: 37.5
  5. 5. Statistics

    Calculate the range of: 62, 30, 26, 54, 45, 46

    Answer: 36

Thursday 7 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 34 + 27

    Answer: 34 + 27 = 61
  2. 2. Algebra

    Factorise: 14x + 4

    Answer: 2(7x + 2)
  3. 3. Geometry

    Calculate the area of a circle with diameter 9cm

    Answer: 63.62cm²
  4. 4. Ratio

    Calculate 25% of 52

    Answer: 13
  5. 5. Statistics

    Find the range of: 19, 24, 21, 10, 25

    Answer: 15

Friday 8 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 28 + 46

    Answer: 28 + 46 = 74
  2. 2. Algebra

    Solve: x + 8 = 28

    Answer: x = 20
  3. 3. Geometry

    Opposite = 20cm, adjacent = 10cm. Calculate the angle

    Answer: 63.4°
  4. 4. Ratio

    Simplify the ratio 24:21

    Answer: 8:7
  5. 5. Statistics

    Find the mean of: 13, 12, 7, 17

    Answer: 12.25