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Lintel Jan 1 - 7 25 questions
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Monday 5 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 63 + ? = 127

    Answer: 64
  2. 2. Algebra

    Find the next term: 1, 4, 10, 19, ...

    Answer: 31
  3. 3. Geometry

    Calculate the area of a circle with diameter 15cm

    Answer: 176.71cm²
  4. 4. Ratio

    Find 83% of 167

    Answer: 138.61
  5. 5. Statistics

    A spinner has 6 red, 2 blue and 6 green sections. Probability of landing on red?

    Answer: 37

Tuesday 6 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 23 + 14 + 13

    Answer: 54
  2. 2. Algebra

    Solve: x2 = 18.5

    Answer: x = 37
  3. 3. Geometry

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

    Answer: 42.7°
  4. 4. Ratio

    Simplify: 10:8:8

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

    A spinner has 5 red, 3 blue and 2 green sections. Probability of landing on red?

    Answer: 12

Wednesday 7 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 114, 231, and 54

    Answer: 399
  2. 2. Algebra

    Solve: 7x - 9 = 4x + 15

    Answer: x = 8
  3. 3. Geometry

    Opposite = 13cm, adjacent = 16cm. Calculate the angle

    Answer: 39.1°
  4. 4. Ratio

    Find 26% of 429

    Answer: 111.54
  5. 5. Statistics

    Calculate the mean of: 31, 34, 45, 43, 35, 40, 34, 39

    Answer: 37.6

Thursday 8 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 257 + 136

    Answer: 257 + 136 = 393
  2. 2. Algebra

    What is the next term? 2, 8, 32, 128, ...

    Answer: 512
  3. 3. Geometry

    Opposite = 15cm, adjacent = 13cm. Calculate the angle

    Answer: 49.1°
  4. 4. Ratio

    Find 42% of 438

    Answer: 183.96
  5. 5. Statistics

    A bag has 5 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 59

Friday 9 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 56 + 12 + 23

    Answer: 21
  2. 2. Algebra

    Solve: x5 = 7.6

    Answer: x = 38
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 36cm. Find the angle

    Answer: 50.3°
  4. 4. Ratio

    Simplify: 12:9:6

    Answer: 4:3:2
  5. 5. Statistics

    Find the range of: -12, 37, -8, 9, -12

    Answer: 49