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Lintel Jan 1 - 7 25 questions
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Monday 12 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 238, 250, and 126

    Answer: 614
  2. 2. Algebra

    Solve: x6 = 3.3333333333333

    Answer: x = 20
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 21cm. Find the angle

    Answer: 55.2°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 12

Tuesday 13 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 129. What are the numbers?

    Answer: 42, 43, and 44
  2. 2. Algebra

    Solve: 7x = 56

    Answer: x = 8
  3. 3. Geometry

    Opposite = 17cm, adjacent = 13cm. Calculate the angle

    Answer: 52.6°
  4. 4. Ratio

    Calculate 43.7% of 883

    Answer: 385.87
  5. 5. Statistics

    Find the range of: -14, 32, -3, 40, 6

    Answer: 54

Wednesday 14 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 105. What are the numbers?

    Answer: 34, 35, and 36
  2. 2. Algebra

    Solve: 8x = 72

    Answer: x = 9
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 5cm

    Answer: 11.18cm
  4. 4. Ratio

    Simplify: 8:24:24

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

    A bag has 4 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 411

Thursday 15 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 63 + ? = 170

    Answer: 107
  2. 2. Algebra

    Solve: x2 = 9.5

    Answer: x = 19
  3. 3. Geometry

    Find the perimeter: hypotenuse = 18cm, one side = 9cm

    Answer: 42.6cm
  4. 4. Ratio

    Find 61% of 325

    Answer: 198.25
  5. 5. Statistics

    Find the range of: -12, 8, -10, 35, -23

    Answer: 58

Friday 16 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: (-27) + (-13) + (-5)

    Answer: -45
  2. 2. Algebra

    Factorise fully: 24x² + 28x

    Answer: 4x(6x + 7)
  3. 3. Geometry

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

    Answer: 42.3°
  4. 4. Ratio

    Simplify: 15:12:12

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

    Find the range of: 1, -27, 23, 30, 0

    Answer: 57