E-Math - Ratio, Rate and Proportion - Maps

E-Math - Ratio, Rate and Proportion - Maps

Topic: Ratio Rate and Proportion

A common mistake is to us the linear (line) scale 5cm: 1km instead

 of the area scale 25cm^2 : 1km^2 (see example above) to solve 

questions about finding areas. Never do this.  You need not change
the length to the same units to solve

A-Math and E-Math Secondary School Tuition at Woodlands, Chua Chu Kang, 

Bukit Panjang, Sembawang, Yishun in Singapore and Johor Bahru  in Malaysia.

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About Unknown

I created this Blog after my students told me that there is very little information about how to solve GCE O Level Math and Additional Math (A-Math) questions on the internet. Even if they manage to find, the solution were for very basic questions. I am a Full-time Math Tutor in Singapore. I tutor mainly in Northern Singapore (Woodlands, Chua Chu Kang, Bukit Panjang, Yishun and Sembawang). I also tutor in Johor Bahru.