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Lintel Jan 1 - 7 25 questions
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Monday 9 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Solve: 7x = 70

    Answer: x = 10
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 32cm. Find the angle

    Answer: 57.9°
  4. 4. Ratio

    Simplify: 12:6:9

    Answer: 4:2:3
  5. 5. Statistics

    Find the range of: -27, -5, 24, 36, -13

    Answer: 63

Tuesday 10 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 999 + 505

    Answer: 1504
  2. 2. Algebra

    Solve: 8x - 8 = 6x + 0

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 8cm

    Answer: 14.42cm
  4. 4. Ratio

    Find 48% of 263

    Answer: 126.24
  5. 5. Statistics

    Find the range of: 34, 5, 24, -13, -17

    Answer: 51

Wednesday 11 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 48 + 13

    Answer: 56
  2. 2. Algebra

    For y = 3x³ + 10, find y when x = 2

    Answer: y = 34
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 32cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Find 74% of 288

    Answer: 213.12
  5. 5. Statistics

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

    Answer: 12

Thursday 12 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Solve: x4 = 8.25

    Answer: x = 33
  3. 3. Geometry

    Opposite = 16cm, adjacent = 12cm. Calculate the angle

    Answer: 53.1°
  4. 4. Ratio

    Find 83% of 500

    Answer: 415
  5. 5. Statistics

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

    Answer: 12

Friday 13 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    98000000

    Answer: 9.8 × 107
  2. 2. Algebra

    Solve: 8x = 120

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 40cm. Find the angle

    Answer: 47.5°
  4. 4. Ratio

    Simplify: 9:15:9

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

    Find the range of: -20, 38, 10, 34, -24

    Answer: 62