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Lintel Jan 1 - 7 25 questions
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Monday 30 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.03

    Answer: 3 × 10^-2
  2. 2. Algebra

    Solve: 7x = 56

    Answer: x = 8
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 25cm. Find the angle

    Answer: 61.3°
  4. 4. Ratio

    Find 71% of 69

    Answer: 48.99
  5. 5. Statistics

    A spinner has 5 red, 4 blue and 2 green sections. Probability of landing on red?

    Answer: 511

Tuesday 31 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 68 + 57

    Answer: 4128
  2. 2. Algebra

    Solve: x8 = 3.375

    Answer: x = 27
  3. 3. Geometry

    Opposite = 19cm, adjacent = 12cm. Calculate the angle

    Answer: 57.7°
  4. 4. Ratio

    Simplify: 12:12:8

    Answer: 3:3:2
  5. 5. Statistics

    Calculate the mean of: 14, 37, 47, 42, 47, 23, 33

    Answer: 34.7

Wednesday 1 January 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 65 + ? = 154

    Answer: 89
  2. 2. Algebra

    Solve: 8x = 56

    Answer: x = 7
  3. 3. Geometry

    Opposite = 14cm, adjacent = 11cm. Calculate the angle

    Answer: 51.8°
  4. 4. Ratio

    Find 41% of 441

    Answer: 180.81
  5. 5. Statistics

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

    Answer: 27

Thursday 2 January 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 126. What are the numbers?

    Answer: 41, 42, and 43
  2. 2. Algebra

    Factorise: 3x² + 5x

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

    A right triangle has hypotenuse 13cm and one side 5cm. Find its area

    Answer: 30cm²
  4. 4. Ratio

    Simplify: 12:8:12

    Answer: 3:2:3
  5. 5. Statistics

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

    Answer: 413

Friday 3 January 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 48 + 13

    Answer: 56
  2. 2. Algebra

    Solve: x8 = 2.75

    Answer: x = 22
  3. 3. Geometry

    Opposite = 9cm, adjacent = 16cm. Calculate the angle

    Answer: 29.4°
  4. 4. Ratio

    Find 58% of 403

    Answer: 233.74
  5. 5. Statistics

    Calculate the mean of: 28, 34, 41, 26, 48, 46

    Answer: 37.2