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Lintel Jan 1 - 7 25 questions
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Monday 19 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 69 + ? = 174

    Answer: 105
  2. 2. Algebra

    Solve: 5x = 70

    Answer: x = 14
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 6cm

    Answer: 8.49cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 42, 28, 43, 22, 6, 44, 45

    Answer: 32.9

Tuesday 20 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 661

    Answer: 1659
  2. 2. Algebra

    Solve: 8x = 112

    Answer: x = 14
  3. 3. Geometry

    Find c if a = 9cm and b = 24cm in a right triangle

    Answer: 25.6cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 3 blue and 2 green sections. Probability of landing on red?

    Answer: 611

Wednesday 21 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 509 + 325

    Answer: 509 + 325 = 834
  2. 2. Algebra

    Solve: x6 = 2

    Answer: x = 12
  3. 3. Geometry

    Opposite = 14cm, adjacent = 20cm. Calculate the angle

    Answer: 35°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 50, 12, 48, 36, 27, 20

    Answer: 32.2

Thursday 22 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 805

    Answer: 1803
  2. 2. Algebra

    Factorise fully: 6x² + 8x

    Answer: 2x(3x + 4)
  3. 3. Geometry

    Find the distance between (-7, -3) and (3, 9)

    Answer: 15.62
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 41, 12, 45, 7, 33, 9, 29

    Answer: 25.1

Friday 23 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 246, 233, and 62

    Answer: 541
  2. 2. Algebra

    Solve: 7x = 84

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 11cm

    Answer: 12.08cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 411