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Lintel Jan 1 - 7 25 questions
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Monday 13 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 103, 237, and 85

    Answer: 425
  2. 2. Algebra

    Factorise: 8x² + 6x

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

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

    Answer: 68.2°
  4. 4. Ratio

    Calculate 44.2% of 528

    Answer: 233.38
  5. 5. Statistics

    A spinner has 5 red, 2 blue and 4 green sections. Probability of landing on red?

    Answer: 511

Tuesday 14 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    7300000

    Answer: 7.3 × 106
  2. 2. Algebra

    Solve: 8x - 9 = 3x + 21

    Answer: x = 6
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 8cm and 11cm

    Answer: 44cm²
  4. 4. Ratio

    Find 82% of 354

    Answer: 290.28
  5. 5. Statistics

    Calculate the mean of: 25, 46, 11, 10, 5, 8, 30

    Answer: 19.3

Wednesday 15 June 2022

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: x5 = 5.8

    Answer: x = 29
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 19cm. Find the angle

    Answer: 50.8°
  4. 4. Ratio

    Simplify: 8:4:12

    Answer: 2:1:3
  5. 5. Statistics

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

    Answer: 13

Thursday 16 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 801 + 402

    Answer: 801 + 402 = 1203
  2. 2. Algebra

    Factorise fully: 4x² + 10x

    Answer: 2x(2x + 5)
  3. 3. Geometry

    Opposite = 12cm, adjacent = 17cm. Calculate the angle

    Answer: 35.2°
  4. 4. Ratio

    Simplify: 20:24:8

    Answer: 5:6:2
  5. 5. Statistics

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

    Answer: 14

Friday 17 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 123. What are the numbers?

    Answer: 40, 41, and 42
  2. 2. Algebra

    Factorise: 8x² + 5x

    Answer: x(8x + 5)
  3. 3. Geometry

    Find the perimeter: hypotenuse = 14cm, one side = 11cm

    Answer: 33.7cm
  4. 4. Ratio

    Simplify: 12:4:6

    Answer: 6:2:3
  5. 5. Statistics

    Calculate the mean of: 35, 23, 22, 31, 14, 29, 38, 23

    Answer: 26.9