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Lintel Jan 1 - 7 25 questions
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Monday 10 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 24 + 12 + 34

    Answer: 74
  2. 2. Algebra

    Solve: 3x = 45

    Answer: x = 15
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 7cm and 15cm

    Answer: 52.5cm²
  4. 4. Ratio

    Simplify: 12:24:12

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

    Calculate the mean of: 31, 38, 16, 23, 10, 17, 19, 25

    Answer: 22.4

Tuesday 11 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 71 + ? = 184

    Answer: 113
  2. 2. Algebra

    Solve: x8 = 2.625

    Answer: x = 21
  3. 3. Geometry

    A right triangle has hypotenuse 5cm and one side 3cm. Find its area

    Answer: 6cm²
  4. 4. Ratio

    Find 52% of 464

    Answer: 241.28
  5. 5. Statistics

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

    Answer: 310

Wednesday 12 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 45 + 34 + 12

    Answer: 4120
  2. 2. Algebra

    Solve: x8 = 4.625

    Answer: x = 37
  3. 3. Geometry

    Opposite = 15cm, adjacent = 10cm. Calculate the angle

    Answer: 56.3°
  4. 4. Ratio

    Simplify: 16:12:12

    Answer: 4:3:3
  5. 5. Statistics

    A spinner has 2 red, 6 blue and 4 green sections. Probability of landing on red?

    Answer: 16

Thursday 13 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 41 + ? = 108

    Answer: 67
  2. 2. Algebra

    Solve: 6x = 54

    Answer: x = 9
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 30cm. Find the angle

    Answer: 62.2°
  4. 4. Ratio

    Find 67% of 438

    Answer: 293.46
  5. 5. Statistics

    Calculate the mean of: 12, 36, 47, 6, 29, 36

    Answer: 27.7

Friday 14 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 53 + ? = 166

    Answer: 113
  2. 2. Algebra

    Solve: 8x = 80

    Answer: x = 10
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 36cm. Find the angle

    Answer: 33.6°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 3 blue and 6 green sections. Probability of landing on red?

    Answer: 514