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Lintel Jan 1 - 7 25 questions
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Monday 20 November 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 253, 292, and 106

    Answer: 651
  2. 2. Algebra

    Solve: 2x = 14

    Answer: x = 7
  3. 3. Geometry

    Opposite = 9cm, adjacent = 10cm. Calculate the angle

    Answer: 42°
  4. 4. Ratio

    Simplify: 12:24:16

    Answer: 3:6:4
  5. 5. Statistics

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

    Answer: 13

Tuesday 21 November 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 995 + 705

    Answer: 1700
  2. 2. Algebra

    Solve: x8 = 1.25

    Answer: x = 10
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 35cm. Find the angle

    Answer: 59.1°
  4. 4. Ratio

    Find 35% of 452

    Answer: 158.2
  5. 5. Statistics

    Calculate the mean of: 13, 28, 36, 43, 12, 45, 31, 47

    Answer: 31.9

Wednesday 22 November 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    6400000

    Answer: 6.4 × 106
  2. 2. Algebra

    Solve: x3 = 5

    Answer: x = 15
  3. 3. Geometry

    Opposite = 8cm, adjacent = 20cm. Calculate the angle

    Answer: 21.8°
  4. 4. Ratio

    Simplify: 8:8:20

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

    Calculate the mean of: 24, 18, 24, 9, 33, 27, 13, 16

    Answer: 20.5

Thursday 23 November 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 25 + 13 + 23

    Answer: 75
  2. 2. Algebra

    Factorise: 2x² + 8x

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

    Adjacent = 13cm, hypotenuse = 33cm. Find the angle

    Answer: 66.8°
  4. 4. Ratio

    Simplify: 12:16:8

    Answer: 3:4:2
  5. 5. Statistics

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

    Answer: 15

Friday 24 November 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.028

    Answer: 2.8 × 10^-2
  2. 2. Algebra

    Solve: 2x = 28

    Answer: x = 14
  3. 3. Geometry

    Find c if a = 11cm and b = 19cm in a right triangle

    Answer: 22cm
  4. 4. Ratio

    Calculate 24.1% of 709

    Answer: 170.87
  5. 5. Statistics

    Calculate the mean of: 18, 28, 28, 29, 35, 50

    Answer: 31.3