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Lintel Jan 1 - 7 25 questions
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Monday 11 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 652 + 102

    Answer: 652 + 102 = 754
  2. 2. Algebra

    What is the next term? 6, 18, 54, 162, ...

    Answer: 486
  3. 3. Geometry

    Calculate the perimeter of a right triangle with sides 11cm and 9cm

    Answer: 34.2cm
  4. 4. Ratio

    Simplify: 24:8:20

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

    Calculate the mean of: 32, 11, 30, 20, 24, 25, 40, 14

    Answer: 24.5

Tuesday 12 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.056

    Answer: 5.6 × 10^-2
  2. 2. Algebra

    Solve: 9x = 126

    Answer: x = 14
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 34cm. Find the angle

    Answer: 45.1°
  4. 4. Ratio

    Find 28% of 476

    Answer: 133.28
  5. 5. Statistics

    Calculate the mean of: 42, 35, 39, 21, 23, 9, 22

    Answer: 27.3

Wednesday 13 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 290, 227, and 128

    Answer: 645
  2. 2. Algebra

    Solve: x4 = 2.25

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 26.6°
  4. 4. Ratio

    Simplify: 16:8:8

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

    A spinner has 4 red, 3 blue and 6 green sections. Probability of landing on red?

    Answer: 413

Thursday 14 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 720 + 877

    Answer: 720 + 877 = 1597
  2. 2. Algebra

    Solve: x6 = 3.1666666666667

    Answer: x = 19
  3. 3. Geometry

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

    Answer: 45°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 35, 8, 48, 14, 16, 35

    Answer: 26

Friday 15 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 997 + 731

    Answer: 1728
  2. 2. Algebra

    Expand: 6(5x + 4)

    Answer: 30x + 24
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 24cm. Find the angle

    Answer: 57.2°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 5 blue and 2 green sections. Probability of landing on red?

    Answer: 411