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How a primary 3 student solve the 6x PSLE 2021 Mathematics questions?

I asked my boy (Primary 3) to solve the 6x PSLE 2021 Mathematics questions. 

He got 4x out of 6x correct by himself and 2x with my help initially at the start. Thereafter, he was able to complete the question correctly too. : )

In total, I gave him 80% marks for the 6x PSLE 2021 questions.

As for the famous Helen and Ivan question,  he got it correct! His way of solving was kind of interesting. 


Below were his works for the first 5x questions.

He needs to learn how to present his procedures properly/neatly/clearly. 
He has 2+ years to improve on presentation.


This is the number 6th question, which he got it right too. Not bad. :) Good thinking.


All the answers below were taken from Maths Heuristics. 

You can watch all the 6x video clips at their Facebook page link below. They are very good videos, showing the steps by steps procedure to the answer. 

Good learning for everyone!
 https://fb.watch/8yBz1tug9w/

In short, these questions are not difficult.
They are unique, tricky but do-able.
I have seen much more challenging questions at the school test papers.






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Contents:

(1)  PSLE Cut Off Points (COP) (2)  PSLE Q&A (3)  English Essay & Chinese Essay tuition (4)  Primary 4 Report Card (5)  6x PSLE 2022 Mathematics questions (6)  15% of questions in PSLE classified as challenging each year (7)  Completed Primary School Science (8)   7 questions you can ask at parent-teacher meetings (9)  Singapore & Asian Schools Math Olympiad (SASMO) 2022 Primary 4 (10)  Singapore Math Kangaroo Contest (SMKC) 2022 Primary 4 (11)  Lower Primary School Report Card (P1-P3) (12)  Gifted Education Programme (GEP) (13)  Report Card: Primary 6 Mathematics (14)  How a primary 3 student solve the 6x PSLE 2021 Mathematics questions? (15)  Wonderful articles from The Straits Times: How to motivate the unmotivated (16)  Completed Primary 6 Mathematics ! (17)  Singapore & Asian Schools Math Olympiad (SASMO) 2021 Primary 3 (18)  Singapore Math Kangaroo Contest (SMKC) 2021 Primary ...
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