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Lintel Jan 1 - 7 25 questions
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Monday 6 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 994 + 810

    Answer: 1804
  2. 2. Algebra

    Factorise: 2x² + 4x

    Answer: 2x(x + 2)
  3. 3. Geometry

    Find the distance between (-8, -5) and (5, 5)

    Answer: 16.4
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 18, 7, 16, 10, 40, 29, 24

    Answer: 20.6

Tuesday 7 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 68 + ? = 146

    Answer: 78
  2. 2. Algebra

    For y = 2x³ + 7, find y when x = 3

    Answer: y = 61
  3. 3. Geometry

    Opposite = 9cm, adjacent = 20cm. Calculate the angle

    Answer: 24.2°
  4. 4. Ratio

    Calculate 13.2% of 678

    Answer: 89.5
  5. 5. Statistics

    A spinner has 4 red, 3 blue and 2 green sections. Probability of landing on red?

    Answer: 49

Wednesday 8 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 13 + 56

    Answer: 76
  2. 2. Algebra

    Solve: x6 = 2.5

    Answer: x = 15
  3. 3. Geometry

    Opposite = 17cm, adjacent = 14cm. Calculate the angle

    Answer: 50.5°
  4. 4. Ratio

    Calculate 31.7% of 458

    Answer: 145.19
  5. 5. Statistics

    Find the range of: 48, 30, -12, 24, 24

    Answer: 60

Thursday 9 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 992 + 635

    Answer: 1627
  2. 2. Algebra

    Solve: 4x = 48

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 39cm. Find the angle

    Answer: 44.1°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 4 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 47

Friday 10 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 9.87 + 82.81 + 0.412

    Answer: 9.87 + 82.81 + 0.412 = 93.092
  2. 2. Algebra

    Factorise: 8x² + 2x

    Answer: 2x(4x + 1)
  3. 3. Geometry

    Opposite = 8cm, adjacent = 9cm. Calculate the angle

    Answer: 41.6°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 25