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

Monday 8 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 60 + 59

    Answer: 60 + 59 = 119
  2. 2. Algebra

    Factorise: 8x² + 3x

    Answer: x(8x + 3)
  3. 3. Geometry

    Calculate the distance between (1, 4) and (4, 8)

    Answer: 5
  4. 4. Ratio

    Simplify: 6:12:4

    Answer: 3:6:2
  5. 5. Statistics

    Find the mean of: 10, 16, 14

    Answer: 13.333333333333

Tuesday 9 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 131, 104, and 149

    Answer: 384
  2. 2. Algebra

    Solve: x + 5 = 9

    Answer: x = 4
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify: 20:24:24

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

    Calculate the mean of: 41, 6, 13, 27, 29, 49, 10

    Answer: 25

Wednesday 10 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 554 + 560

    Answer: 554 + 560 = 1114
  2. 2. Algebra

    Solve: x + 6 = 21

    Answer: x = 15
  3. 3. Geometry

    Opposite = 13cm, adjacent = 12cm. Calculate the angle

    Answer: 47.3°
  4. 4. Ratio

    Simplify: 8:16:20

    Answer: 2:4:5
  5. 5. Statistics

    A bag has 7 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 713

Thursday 11 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 63 × 65

    Answer: 68
  2. 2. Algebra

    What is the next term? 8, 16, 32, 64, ...

    Answer: 128
  3. 3. Geometry

    Find the distance between (4, 4) and (9, 11)

    Answer: 8.6
  4. 4. Ratio

    Simplify: 18:18:12

    Answer: 3:3:2
  5. 5. Statistics

    What is the probability of getting heads when flipping a fair coin?

    Answer: 12

Friday 12 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 689 + 102

    Answer: 689 + 102 = 791
  2. 2. Algebra

    Solve: 7x = 70

    Answer: x = 10
  3. 3. Geometry

    Calculate the area of a circle with diameter 11cm

    Answer: 95.03cm²
  4. 4. Ratio

    Find 42% of 349

    Answer: 146.58
  5. 5. Statistics

    Find the mean of: 8, 6, 6, 3, 16

    Answer: 7.8