Change pack
Lintel Jan 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 6 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 16 + 12 + 13

    Answer: 11
  2. 2. Algebra

    Solve: 8x = 40

    Answer: x = 5
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 40cm. Find the angle

    Answer: 51.3°
  4. 4. Ratio

    Find 35% of 206

    Answer: 72.1
  5. 5. Statistics

    A bag has 4 red and 6 blue balls. What is the probability of picking a red ball?

    Answer: 25

Tuesday 7 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 161, 180, and 112

    Answer: 453
  2. 2. Algebra

    Expand: 2(5x - 3)

    Answer: 10x - 6
  3. 3. Geometry

    Opposite = 9cm, adjacent = 8cm. Calculate the angle

    Answer: 48.4°
  4. 4. Ratio

    Simplify: 20:16:20

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

    Find the range of: 41, 10, 9, 21, -17

    Answer: 58

Wednesday 8 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 270 + 889

    Answer: 270 + 889 = 1159
  2. 2. Algebra

    Solve: x5 = 1.4

    Answer: x = 7
  3. 3. Geometry

    Calculate the area of a circle with diameter 15cm

    Answer: 176.71cm²
  4. 4. Ratio

    Simplify: 12:8:4

    Answer: 3:2:1
  5. 5. Statistics

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

    Answer: 516

Thursday 9 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 138. What are the numbers?

    Answer: 45, 46, and 47
  2. 2. Algebra

    Solve: 7x = 49

    Answer: x = 7
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 32cm. Find the angle

    Answer: 32.5°
  4. 4. Ratio

    Simplify: 12:12:18

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

    Calculate the mean of: 33, 45, 20, 9, 12, 33, 36, 14

    Answer: 25.3

Friday 10 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 995 + 656

    Answer: 1651
  2. 2. Algebra

    Expand: 2(3x + 9)

    Answer: 6x + 18
  3. 3. Geometry

    Opposite = 13cm, adjacent = 19cm. Calculate the angle

    Answer: 34.4°
  4. 4. Ratio

    Find 60% of 109

    Answer: 65.4
  5. 5. Statistics

    Calculate the mean of: 36, 19, 7, 18, 31, 5, 28

    Answer: 20.6