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2011
Thu
27
Oct
Miss Loi avatar

GCE O Level Oct/Nov 2011 E-Maths 4016 Paper 1 Suggested Answers & Solutions

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Tuition given in the topic of Miss Loi the Tutor from the desk of Miss Loi at 11:33 pm (Singapore time)

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Latest version:

  • 1.3: added “marks” to the answer for interquartile range in Q23(a) for completeness’ sake.
  • 1.2: added brackets to answers of Q15(b) to make all terms ‘inclusive’ to the radian unit.
  • 1.1: reflect changes in Q22(b)
GCE O Level 2011 EMaths 4016 Paper 1 Solutions

As usual, please leave a comment should you spot any mistake in the solution – Miss Loi was still teaching at The Temple until an hour and a half ago!

Now for Paper 2: Here’s a list of possible topics that may appear for tomorrow’s Paper 2.

  1. Algebra

    • Changing the subject of a formula
    • Quadratic equations (word problem)
    • Simple algebraic fractions & equations
    • Number patterns
    • Inequalities
  2. Application of mathematics in practical situations

    • Profit & Loss
    • Compound interest & simple interest
    • Money exchange
    • Hire purchase
  3. Trigonometry

    • TOA CAH SOH
    • Sine/Cosine Rule
    • Area of triangle
    • Bearings
    • Angles of elevation/depression
    • Shortest distance
  4. Mensuration
  5. Angle properties of polygons + finding number of sides of polygons
  6. Vectors
  7. Similarity & Congruency

  8. Probability

    • Probability tree diagram
    • Possibility diagram
  9. Statistics & data analysis

  10. Graph sketching on graph paper

One down, one or three (depending on whether you take AMaths) more maths papers to go!

ALL THE BEST & GANBATTE!
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Revision Exercise

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Comments & Reactions

28 Comments

  1. Han LowJumper Zhong Liang's Avatar
    Han LowJumper Zhong Liang commented in tuition class


    2011
    Oct
    27
    Thu
    11:54pm
     
    1

    I would like to ask if 2 s.f. or 3 s.f is suitable for question 22bi and 22bii

  2. Maisie's Avatar
    Maisie commented in tuition class


    2011
    Oct
    28
    Fri
    8:48am
     
    2

    Hello ms loi.
    For qn 22bii, isit a must to leave in standard form? The question didnt state.

  3. Hi....'s Avatar
    Hi.... commented in tuition class


    2011
    Oct
    28
    Fri
    10:24am
     
    3

    Miss loi, for question 12(b) , I didn't see the volume should be change to it's original form, which is 14.5. But I did change the 43 to 43.49 and I got 2.9 which is the wrong answer. Will I get 1 mark for it?

  4. Discuss's Avatar
    Discuss commented in tuition class


    2011
    Oct
    28
    Fri
    11:03am
     
    4

    For qn 5, the answer should be an expression right?

    •  
      4.1

      @Discuss: ??? The question did ask to "find an expression in terms of x and y ..."

      Perhaps you're asking if "litres" should be included?

      In this case, many TYS solutions for very similar "find an expression in terms of ..." word problems include the unit as part of the algebraic expression - so Miss Loi tends to include them just to be safe.

      But then again, there are also some that don't include them so Miss Loi feels this isn't critical unless we're specifically told to do so in the question (which we weren't in this case).

      Would welcome feedback from anyone who has received a clear directive from your school/cher/Maths HOD Overlord on this 😛

  5. Kekeke's Avatar
    Kekeke commented in tuition class


    2011
    Oct
    28
    Fri
    6:17pm
     
    5

    Question 12b, if you times 3.00 by 15 again, it wouldn't be possible anymore. Some people answered with 2.99 instead. So, which one issit?

  6. JACK's Avatar
    JACK commented in tuition class


    2011
    Oct
    28
    Fri
    6:23pm
  7. abhishek's Avatar
    abhishek commented in tuition class


    2011
    Oct
    28
    Fri
    8:23pm
     
    7

    for Qsn 22b, they won't accept 3 sig fig at all? how many marks will i lose for not putting in 3 sf?

  8. Peace's Avatar
    Peace commented in tuition class


    2011
    Oct
    28
    Fri
    9:21pm
     
    8

    hi, for q12b, why is the answer 3.00 and not 2.99 since 3.00x14.5=43.5 which would not result in 43g?

  9. Sien...'s Avatar
    Sien... commented in tuition class


    2011
    Oct
    28
    Fri
    9:43pm
     
    9

    Hi miss loi,
    I've a few question to ask you:
    1)Can predict the score needed for maths paper to get A1 and A2.
    2)Would i get my marks if i did not label the bisector
    3)Can i leave 2a part (II) as 22344322 instead of 2.2*10^7
    Thanks!

  10. Anonymous's Avatar
    Anonymous commented in tuition class


    2011
    Oct
    28
    Fri
    9:48pm
     
    10

    Hi miss loi. Can I leave my answer in standard form, 1.34 x 10^2, for question 22(a)?

  11. Hisham's Avatar
    Hisham commented in tuition class


    2011
    Oct
    28
    Fri
    10:02pm
     
    11

    For qn 18ai,ii and iii, what if i put my answer just as 9, -2 and 1/4 respectively?

  12. Hi's Avatar
    Hi commented in tuition class


    2011
    Oct
    28
    Fri
    10:29pm
     
    12

    Hello! If i did not put the units for the questions on angles (158-x), will i be penalize?

    And the interquartile range should there be "marks"?

    >Darn! I got the "P" wrong. DX

  13. Liqing's Avatar
    Liqing commented in tuition class


    2011
    Oct
    29
    Sat
    12:49pm
     
    13

    Hi Miss Loi, I calculated my total marks for p1 and p2 and i got over 60 but less than 65, you think that will be a B4 or B3?

  14. yoyoyo's Avatar
    yoyoyo commented in tuition class


    2011
    Oct
    29
    Sat
    2:26pm
     
    14

    Hi, question 24 c) dat speed time graph , can i link the 3 line together? and should i label the bisector ? 18aii) can i put as 1/7^2 ? And u think that 80 marks can get A?

  15. yoyoyo's Avatar
    yoyoyo commented in tuition class


    2011
    Oct
    29
    Sat
    6:06pm
     
    15

    pls reply pls , or else i gonna haf a moody holiday lol

4 Reactions

  1. Tweetback
    Miss Loi tweeted


    2011
    Oct
    27
    Thu
    3:39pm
     
    16

    One big package in the form of today's O Level EMaths Paper 1 answers & solutions has just been air-dropped! http://t.co/d4V9Tj6t #olevel

  2. Tweetback
    soh nic tweeted


    2011
    Oct
    27
    Thu
    4:33pm
     
    17

    @BABE_QUEEN http://t.co/RVIu6mzU 🙂 Need to like the pg first.. XP



  3. 2011
    Oct
    28
    Fri
    11:04am
     
    18

    @GraceeLeong Hey you know can check your paper 1ans online?http://t.co/Y5YIyfLn

  4. Tweetback
    Quah Xiao Xi tweeted


    2012
    Jan
    14
    Sat
    2:56pm

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