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Lintel Jan 1 - 7 25 questions
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Monday 12 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Simplify: 7x - 5x + 6y - 2y

    Answer: 2x + 4y
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 24cm. Find the angle

    Answer: 48.2°
  4. 4. Ratio

    Simplify: 6:9:6

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

    Calculate the mean of: 18, 6, 21, 36, 48, 48, 30, 49

    Answer: 32

Tuesday 13 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 608 + 732

    Answer: 608 + 732 = 1340
  2. 2. Algebra

    Expand: 2(4x + 8)

    Answer: 8x + 16
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 7cm

    Answer: 11.4cm
  4. 4. Ratio

    Find 79% of 256

    Answer: 202.24
  5. 5. Statistics

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

    Answer: 25

Wednesday 14 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 681 + 409

    Answer: 681 + 409 = 1090
  2. 2. Algebra

    Solve: 8x = 32

    Answer: x = 4
  3. 3. Geometry

    Opposite = 8cm, adjacent = 19cm. Calculate the angle

    Answer: 22.8°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 12, 7, 47, 25, 27, 42, 11, 8

    Answer: 22.4

Thursday 15 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 126. What are the numbers?

    Answer: 41, 42, and 43
  2. 2. Algebra

    Solve: x5 = 5.2

    Answer: x = 26
  3. 3. Geometry

    Find c if a = 20cm and b = 12cm in a right triangle

    Answer: 23.3cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 511

Friday 16 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 124, 188, and 103

    Answer: 415
  2. 2. Algebra

    Solve: x5 = 3.4

    Answer: x = 17
  3. 3. Geometry

    Opposite = 11cm, adjacent = 13cm. Calculate the angle

    Answer: 40.2°
  4. 4. Ratio

    Calculate 38.1% of 940

    Answer: 358.14
  5. 5. Statistics

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

    Answer: 516