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Lintel Jan 1 - 7 25 questions
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Monday 18 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 25 + 26

    Answer: 1615
  2. 2. Algebra

    Solve: x5 = 1.2

    Answer: x = 6
  3. 3. Geometry

    Opposite = 14cm, adjacent = 12cm. Calculate the angle

    Answer: 49.4°
  4. 4. Ratio

    Find 57% of 452

    Answer: 257.64
  5. 5. Statistics

    Calculate the mean of: 33, 47, 11, 43, 13, 26

    Answer: 28.8

Tuesday 19 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 587 + 934

    Answer: 587 + 934 = 1521
  2. 2. Algebra

    Solve: 2x = 14

    Answer: x = 7
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 38cm. Find the angle

    Answer: 58.2°
  4. 4. Ratio

    Simplify: 12:4:12

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

    A spinner has 4 red, 5 blue and 3 green sections. Probability of landing on red?

    Answer: 13

Wednesday 20 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1.4 + 21.92 + 0.542

    Answer: 1.4 + 21.92 + 0.542 = 23.862
  2. 2. Algebra

    Solve: 3x = 9

    Answer: x = 3
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 10cm

    Answer: 11.66cm
  4. 4. Ratio

    Simplify: 18:6:15

    Answer: 6:2:5
  5. 5. Statistics

    Calculate the mean of: 20, 7, 42, 34, 17, 49

    Answer: 28.2

Thursday 21 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 78 + ? = 106

    Answer: 28
  2. 2. Algebra

    Solve: x3 = 5.3333333333333

    Answer: x = 16
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 39cm. Find the angle

    Answer: 42°
  4. 4. Ratio

    Find 39% of 57

    Answer: 22.23
  5. 5. Statistics

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

    Answer: 311

Friday 22 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 36 + 12 + 24

    Answer: 32
  2. 2. Algebra

    Factorise fully: 28x² + 24x

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

    Calculate the area of a right triangle with perpendicular sides 15cm and 7cm

    Answer: 52.5cm²
  4. 4. Ratio

    Simplify: 6:6:8

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

    A spinner has 6 red, 4 blue and 3 green sections. Probability of landing on red?

    Answer: 613