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Lintel Jan 1 - 7 25 questions
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Monday 17 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 281, 174, and 127

    Answer: 582
  2. 2. Algebra

    Solve: x6 = 2.1666666666667

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 26cm. Find the angle

    Answer: 49.2°
  4. 4. Ratio

    Find 26% of 478

    Answer: 124.28
  5. 5. Statistics

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

    Answer: 613

Tuesday 18 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 535 + 641

    Answer: 535 + 641 = 1176
  2. 2. Algebra

    Solve: x6 = 3.1666666666667

    Answer: x = 19
  3. 3. Geometry

    Find the perimeter: hypotenuse = 13cm, one side = 8cm

    Answer: 31.2cm
  4. 4. Ratio

    Simplify: 10:4:6

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

    Calculate the mean of: 22, 50, 13, 43, 44, 32, 23

    Answer: 32.4

Wednesday 19 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 141. What are the numbers?

    Answer: 46, 47, and 48
  2. 2. Algebra

    Solve: 8x = 40

    Answer: x = 5
  3. 3. Geometry

    Calculate the distance between (2, 7) and (5, 11)

    Answer: 5
  4. 4. Ratio

    Simplify: 6:15:12

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

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

    Answer: 37

Thursday 20 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 170, 285, and 147

    Answer: 602
  2. 2. Algebra

    Solve: 5x = 55

    Answer: x = 11
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 35cm. Find the angle

    Answer: 34°
  4. 4. Ratio

    Simplify: 12:9:15

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

    Calculate the mean of: 16, 26, 11, 14, 39, 16, 34

    Answer: 22.3

Friday 21 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 23 + 25

    Answer: 75
  2. 2. Algebra

    Factorise fully: 21x² + 12x

    Answer: 3x(7x + 4)
  3. 3. Geometry

    Opposite = 9cm, adjacent = 12cm. Calculate the angle

    Answer: 36.9°
  4. 4. Ratio

    Find 30% of 404

    Answer: 121.2
  5. 5. Statistics

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

    Answer: 27