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Lintel Jan 1 - 7 25 questions
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Monday 28 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 148, 248, and 79

    Answer: 475
  2. 2. Algebra

    For y = 4x³ + 11, find y when x = 3

    Answer: y = 119
  3. 3. Geometry

    Calculate the area of a circle with diameter 14cm

    Answer: 153.94cm²
  4. 4. Ratio

    Find 43% of 292

    Answer: 125.56
  5. 5. Statistics

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

    Answer: 58

Tuesday 29 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 12 + 14

    Answer: 1312
  2. 2. Algebra

    Factorise: 8x² + 6x

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

    Adjacent = 27cm, hypotenuse = 35cm. Find the angle

    Answer: 39.5°
  4. 4. Ratio

    Simplify: 20:12:8

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

    Find the range of: 18, 45, -27, 34, 31

    Answer: 72

Wednesday 30 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00084

    Answer: 8.4 × 10^-4
  2. 2. Algebra

    Solve: 3x = 15

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 14cm

    Answer: 17.2cm
  4. 4. Ratio

    Find 47% of 140

    Answer: 65.8
  5. 5. Statistics

    Find the range of: 14, 28, 4, -17, 48

    Answer: 65

Thursday 1 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 74 + ? = 189

    Answer: 115
  2. 2. Algebra

    Factorise fully: 8x² + 6x

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

    Adjacent = 26cm, hypotenuse = 38cm. Find the angle

    Answer: 46.8°
  4. 4. Ratio

    Find 50% of 251

    Answer: 125.5
  5. 5. Statistics

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

    Answer: 415

Friday 2 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 135. What are the numbers?

    Answer: 44, 45, and 46
  2. 2. Algebra

    Solve: x2 = 4.5

    Answer: x = 9
  3. 3. Geometry

    Opposite = 19cm, adjacent = 10cm. Calculate the angle

    Answer: 62.2°
  4. 4. Ratio

    Simplify: 12:18:9

    Answer: 4:6:3
  5. 5. Statistics

    A spinner has 6 red, 5 blue and 3 green sections. Probability of landing on red?

    Answer: 37