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Lintel Jan 1 - 7 25 questions
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Monday 14 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 138. What are the numbers?

    Answer: 45, 46, and 47
  2. 2. Algebra

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

    Answer: 11
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 45cm. Find the angle

    Answer: 49.9°
  4. 4. Ratio

    Calculate 38.1% of 379

    Answer: 144.4
  5. 5. Statistics

    Find the range of: -25, 22, -25, 2, -25

    Answer: 47

Tuesday 15 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 272 + 920

    Answer: 272 + 920 = 1192
  2. 2. Algebra

    Solve: 9x = 126

    Answer: x = 14
  3. 3. Geometry

    Opposite = 9cm, adjacent = 10cm. Calculate the angle

    Answer: 42°
  4. 4. Ratio

    Calculate 34.3% of 354

    Answer: 121.42
  5. 5. Statistics

    A bag has 8 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 47

Wednesday 16 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 999 + 648

    Answer: 1647
  2. 2. Algebra

    For y = x³ + 12, calculate y when x = 4

    Answer: y = 76
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 35cm. Find the angle

    Answer: 44.4°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 311

Thursday 17 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 506 + 848

    Answer: 506 + 848 = 1354
  2. 2. Algebra

    Solve: x5 = 4.4

    Answer: x = 22
  3. 3. Geometry

    Calculate the area of a circle with diameter 21cm

    Answer: 346.36cm²
  4. 4. Ratio

    Calculate 46.3% of 828

    Answer: 383.36
  5. 5. Statistics

    Find the range of: 5, 32, -29, -19, 46

    Answer: 75

Friday 18 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 57 + 78

    Answer: 8956
  2. 2. Algebra

    Solve: x7 = 4.1428571428571

    Answer: x = 29
  3. 3. Geometry

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

    Answer: 67.2°
  4. 4. Ratio

    Calculate 28.6% of 559

    Answer: 159.87
  5. 5. Statistics

    A spinner has 5 red, 3 blue and 2 green sections. Probability of landing on red?

    Answer: 12