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Lintel Jan 1 - 7 25 questions
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Monday 3 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 183, 216, and 89

    Answer: 488
  2. 2. Algebra

    Factorise: 7x² + 3x

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

    Opposite = 13cm, adjacent = 9cm. Calculate the angle

    Answer: 55.3°
  4. 4. Ratio

    Find 60% of 457

    Answer: 274.2
  5. 5. Statistics

    Calculate the mean of: 46, 30, 34, 26, 24, 8

    Answer: 28

Tuesday 4 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 663 + 172

    Answer: 663 + 172 = 835
  2. 2. Algebra

    Solve: 9x = 99

    Answer: x = 11
  3. 3. Geometry

    Calculate perimeter: two sides are 14cm and 13cm at right angles

    Answer: 46.cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 5 blue and 2 green sections. Probability of landing on red?

    Answer: 5⁄12

Wednesday 5 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 992 + 594

    Answer: 1586
  2. 2. Algebra

    Factorise fully: 25x² + 30x

    Answer: 5x(5x + 6)
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 33cm. Find the angle

    Answer: 59°
  4. 4. Ratio

    Calculate 47.5% of 550

    Answer: 261.25
  5. 5. Statistics

    Calculate the mean of: 43, 21, 45, 44, 18, 38, 24

    Answer: 33.3

Thursday 6 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 349 + 926

    Answer: 349 + 926 = 1275
  2. 2. Algebra

    Factorise fully: 6x² + 8x

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

    Calculate the area of a circle with diameter 11cm

    Answer: 95.03cm²
  4. 4. Ratio

    Calculate 18.2% of 768

    Answer: 139.78
  5. 5. Statistics

    Calculate the mean of: 38, 38, 24, 12, 15, 31, 35, 39

    Answer: 29

Friday 7 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 123. What are the numbers?

    Answer: 40, 41, and 42
  2. 2. Algebra

    What is the next term? 3, 12, 48, 192, ...

    Answer: 768
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 34cm. Find the angle

    Answer: 40.1°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄5