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Lintel Jan 1 - 7 25 questions
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Monday 25 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 794 + 762

    Answer: 794 + 762 = 1556
  2. 2. Algebra

    Factorise fully: 12x² + 21x

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

    A right triangle has hypotenuse 10cm and one side 6cm. Find its area

    Answer: 24cm²
  4. 4. Ratio

    Find 57% of 336

    Answer: 191.52
  5. 5. Statistics

    Find the range of: -1, 12, 22, -4, -30

    Answer: 52

Tuesday 26 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 991 + 728

    Answer: 1719
  2. 2. Algebra

    Solve: x6 = 5.5

    Answer: x = 33
  3. 3. Geometry

    Calculate the area of a circle with diameter 13cm

    Answer: 132.73cm²
  4. 4. Ratio

    Simplify: 12:6:12

    Answer: 2:1:2
  5. 5. Statistics

    Find the range of: 9, -14, 5, 35, 4

    Answer: 49

Wednesday 27 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 36.43 + 35.75

    Answer: 36.43 + 35.75 = 72.18
  2. 2. Algebra

    Solve: 3x = 45

    Answer: x = 15
  3. 3. Geometry

    A right triangle has hypotenuse 10cm and one side 6cm. Find its area

    Answer: 24cm²
  4. 4. Ratio

    Simplify: 9:9:15

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

    A bag has 3 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 38

Thursday 28 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 251, 154, and 127

    Answer: 532
  2. 2. Algebra

    Solve: 9x - 3 = 6x + 24

    Answer: x = 9
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 36cm. Find the angle

    Answer: 33.6°
  4. 4. Ratio

    Find 63% of 82

    Answer: 51.66
  5. 5. Statistics

    Calculate the mean of: 14, 50, 38, 43, 27, 10, 32, 12

    Answer: 28.3

Friday 29 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 999 + 629

    Answer: 1628
  2. 2. Algebra

    Solve: x4 = 1.5

    Answer: x = 6
  3. 3. Geometry

    Calculate the area of a circle with diameter 20cm

    Answer: 314.16cm²
  4. 4. Ratio

    Find 54% of 150

    Answer: 81
  5. 5. Statistics

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

    Answer: 29