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Lintel Jan 1 - 7 25 questions
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Monday 4 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 524

    Answer: 1522
  2. 2. Algebra

    Solve: 4x = 60

    Answer: x = 15
  3. 3. Geometry

    Opposite = 9cm, adjacent = 13cm. Calculate the angle

    Answer: 34.7°
  4. 4. Ratio

    Find 81% of 254

    Answer: 205.74
  5. 5. Statistics

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

    Answer: 5⁄9

Tuesday 5 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 42 + ? = 110

    Answer: 68
  2. 2. Algebra

    Solve: x⁄3 = 10.666666666667

    Answer: x = 32
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 24cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Simplify: 6:10:12

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

    Find the range of: 41, -21, 23, -30, 15

    Answer: 71

Wednesday 6 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 96. What are the numbers?

    Answer: 31, 32, and 33
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Opposite = 8cm, adjacent = 14cm. Calculate the angle

    Answer: 29.7°
  4. 4. Ratio

    Find 20% of 415

    Answer: 83
  5. 5. Statistics

    Find the range of: -23, 50, 4, -14, -16

    Answer: 73

Thursday 7 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 87 + ? = 158

    Answer: 71
  2. 2. Algebra

    Solve: 5x = 50

    Answer: x = 10
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 36cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Simplify: 8:12:8

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

    A bag has 6 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 3⁄5

Friday 8 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 40 + ? = 193

    Answer: 153
  2. 2. Algebra

    Solve: 4x = 44

    Answer: x = 11
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 33cm. Find the angle

    Answer: 56.9°
  4. 4. Ratio

    Simplify: 9:6:6

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

    Calculate the mean of: 42, 39, 46, 42, 32, 21, 21, 50

    Answer: 36.6