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Lintel Jan 1 - 7 25 questions
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Monday 19 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 289, 177, and 65

    Answer: 531
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 40cm. Find the angle

    Answer: 58.3°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 15, 43, 9, 19, 25, 16, 26, 27

    Answer: 22.5

Tuesday 20 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 896

    Answer: 1894
  2. 2. Algebra

    Solve: x5 = 2.6

    Answer: x = 13
  3. 3. Geometry

    Calculate the area of a circle with diameter 14cm

    Answer: 153.94cm²
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 6 blue and 5 green sections. Probability of landing on red?

    Answer: 415

Wednesday 21 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 604 + 598

    Answer: 604 + 598 = 1202
  2. 2. Algebra

    Solve: 8x = 80

    Answer: x = 10
  3. 3. Geometry

    Find the perimeter: hypotenuse = 17cm, one side = 14cm

    Answer: 40.6cm
  4. 4. Ratio

    Calculate 43.3% of 708

    Answer: 306.56
  5. 5. Statistics

    Calculate the mean of: 9, 22, 26, 9, 31, 15, 31, 45

    Answer: 23.5

Thursday 22 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 34 + 12 + 15

    Answer: 2920
  2. 2. Algebra

    Solve: 3x = 18

    Answer: x = 6
  3. 3. Geometry

    Opposite = 15cm, adjacent = 15cm. Calculate the angle

    Answer: 45°
  4. 4. Ratio

    Calculate 47.7% of 796

    Answer: 379.69
  5. 5. Statistics

    Calculate the mean of: 29, 15, 20, 22, 14, 46, 11

    Answer: 22.4

Friday 23 February 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 380 + 369

    Answer: 380 + 369 = 749
  2. 2. Algebra

    Solve: x5 = 4.8

    Answer: x = 24
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 34cm. Find the angle

    Answer: 42.7°
  4. 4. Ratio

    Calculate 25.9% of 831

    Answer: 215.23
  5. 5. Statistics

    A spinner has 4 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 415