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Lintel Jan 1 - 7 25 questions
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Monday 16 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 747 + 557

    Answer: 747 + 557 = 1304
  2. 2. Algebra

    Solve: 9x = 135

    Answer: x = 15
  3. 3. Geometry

    Opposite = 11cm, adjacent = 10cm. Calculate the angle

    Answer: 47.7°
  4. 4. Ratio

    Simplify: 18:9:6

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

    A spinner has 3 red, 2 blue and 3 green sections. Probability of landing on red?

    Answer: 38

Tuesday 17 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 114. What are the numbers?

    Answer: 37, 38, and 39
  2. 2. Algebra

    Solve: 7x + 4 = 2x - 4

    Answer: x = 1.6
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 34cm. Find the angle

    Answer: 58°
  4. 4. Ratio

    Simplify: 9:15:18

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

    Calculate the mean of: 28, 26, 30, 27, 38, 49, 48, 44

    Answer: 36.3

Wednesday 18 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 994 + 717

    Answer: 1711
  2. 2. Algebra

    Solve: x7 = 1.5714285714286

    Answer: x = 11
  3. 3. Geometry

    A circle has area 314.2cm². Find its radius (dp)

    Answer: 10cm
  4. 4. Ratio

    Find 21% of 223

    Answer: 46.83
  5. 5. Statistics

    A bag has 5 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 58

Thursday 19 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 93 + ? = 162

    Answer: 69
  2. 2. Algebra

    Solve: 7x = 98

    Answer: x = 14
  3. 3. Geometry

    Calculate the perimeter of a right triangle with sides 8cm and 8cm

    Answer: 27.3cm
  4. 4. Ratio

    Find 76% of 403

    Answer: 306.28
  5. 5. Statistics

    Find the range of: 21, 3, 14, -10, -9

    Answer: 31

Friday 20 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 93. What are the numbers?

    Answer: 30, 31, and 32
  2. 2. Algebra

    Solve: 3x = 42

    Answer: x = 14
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 25cm. Find the angle

    Answer: 40.5°
  4. 4. Ratio

    Simplify: 20:16:24

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

    A bag has 4 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 49