P6 Ratio (fr Shaping Math WS p82)

PSLE sweets and chocolate question (fr: PSLE 2009)

Jim bought some chocolates and gave half of it to Ken.
Ken bought some sweets and gave half of it to Jim.
Jim ate 12 sweets and Ken ate 18 chocolates.
The ratio of Jim's sweets to chocolates became 1:7
The ratio of Ken's sweets to chocolates became 1:4.
How many sweets did Ken buy?

Sec1: Number Pattern, sum of series, algebra, integral ( fr Yining, RGS)

P5 P6 whole number, heuristics (fr PCS Heuristics WS)

P6 ratio (fr Charlotte )

P6 percentage, ratio, fraction (fr: Angel)

P6 fraction (fr Jing wen)

Sec1 numbers (fr Richie )

P6 pattern ( fr Georgia Leow )

P6 Average (Fr ST fun with math)

P6 decimal (Fr ST fun with math)

Sec1 Whole numbers, LCM (fr YZ)

P6 Fraction, conditional (fr Oscar Ho)

P6 Algebra (fr PCS paper)

P6 lt members

P5 P6 Percentage (fr: Khee)

The map of Mathematics

https://www.youtube.com/watch?v=OmJ-4B-mS-Y&sns=em


Sent from my iPhone

How to Calculate Pi, Archimedes' Method

https://youtu.be/DLZMZ-CT7YU


Sent from my iPhone

How to Calculate Pi, Archimedes' Method

https://youtu.be/DLZMZ-CT7YU


Sent from my iPhone

P6 Ratio (fr: Rosyth CA ppr, via Nic Lee)

P6 non-routine, heuristic: Guess and check, systematic listing (fr Bing Heng)

P6 percentage (fr Shaping Math, via CCL)

Sec1 algebra (fr RI via Pak Wai)

Sec2 Statistics: Mean, Median and Mode (fr Keith )

P6 geometry (fr BH)