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Lintel Jan 1 - 7 25 questions
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Monday 9 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄5 + 3⁄5 + 2⁄6

    Answer: 26⁄15
  2. 2. Algebra

    Find the next term: 1, 2, 4, 7, ...

    Answer: 11
  3. 3. Geometry

    Opposite = 10cm, adjacent = 12cm. Calculate the angle

    Answer: 39.8°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 4 blue and 5 green sections. Probability of landing on red?

    Answer: 2⁄5

Tuesday 10 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄5 + 3⁄5 + 1⁄2

    Answer: 13⁄10
  2. 2. Algebra

    Solve: x⁄6 = 1.1666666666667

    Answer: x = 7
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 26cm. Find the angle

    Answer: 52°
  4. 4. Ratio

    Calculate 42.3% of 429

    Answer: 181.47
  5. 5. Statistics

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

    Answer: 1⁄2

Wednesday 11 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 91 + ? = 128

    Answer: 37
  2. 2. Algebra

    Solve: 3x = 36

    Answer: x = 12
  3. 3. Geometry

    Opposite = 20cm, adjacent = 11cm. Calculate the angle

    Answer: 61.2°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 31, 29, 14, 18, 32, 5, 40, 16

    Answer: 23.1

Thursday 12 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 135. What are the numbers?

    Answer: 44, 45, and 46
  2. 2. Algebra

    Solve: 8x = 120

    Answer: x = 15
  3. 3. Geometry

    A circle has area 452.4cm². Find its radius (dp)

    Answer: 12cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 17, 10, 18, 26, 22, 44, 25

    Answer: 23.1

Friday 13 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 208 + 834

    Answer: 208 + 834 = 1042
  2. 2. Algebra

    Solve: x⁄7 = 5.7142857142857

    Answer: x = 40
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 15cm

    Answer: 17cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄2