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Lintel Jan 1 - 7 25 questions
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Monday 8 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 990 + 536

    Answer: 1526
  2. 2. Algebra

    Solve: 2x = 8

    Answer: x = 4
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 32cm. Find the angle

    Answer: 38.6°
  4. 4. Ratio

    Find 41% of 457

    Answer: 187.37
  5. 5. Statistics

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

    Answer: 12

Tuesday 9 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 678 + 231

    Answer: 678 + 231 = 909
  2. 2. Algebra

    Solve: x6 = 1.1666666666667

    Answer: x = 7
  3. 3. Geometry

    Opposite = 16cm, adjacent = 20cm. Calculate the angle

    Answer: 38.7°
  4. 4. Ratio

    Simplify: 12:4:12

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

    Find the range of: -5, 32, 20, -25, 42

    Answer: 67

Wednesday 10 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 57 + ? = 153

    Answer: 96
  2. 2. Algebra

    Solve: x2 = 11.5

    Answer: x = 23
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 37cm. Find the angle

    Answer: 45.4°
  4. 4. Ratio

    Find 20% of 404

    Answer: 80.8
  5. 5. Statistics

    Find the range of: -15, 38, 35, 16, 8

    Answer: 53

Thursday 11 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 806

    Answer: 1804
  2. 2. Algebra

    Solve: 3x = 42

    Answer: x = 14
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 6cm

    Answer: 9.22cm
  4. 4. Ratio

    Simplify: 10:8:4

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

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

    Answer: 811

Friday 12 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 25 + 23

    Answer: 1615
  2. 2. Algebra

    Solve: 8x - 6 = 2x + 54

    Answer: x = 10
  3. 3. Geometry

    Find c if a = 16cm and b = 16cm in a right triangle

    Answer: 22.6cm
  4. 4. Ratio

    Find 64% of 219

    Answer: 140.16
  5. 5. Statistics

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

    Answer: 12