## Thursday, February 22, 2018

### P6 percentage increase/decrease, money (fr CCL)

Q1.
Ali's monthly allowance is \$100.
His mother increases or decreases his monthly allowance base on what Ali was given the previous month.
She increased his allowance by \$10 in January.
She then decreased his allowance by \$10 in February.
(a) How much is Ali's allowance in January?
(b) How much is Ali's allowance in February?

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Q2.
Ali's monthly allowance is \$100.
His mother increases or decreases his monthly allowance base on what Ali was given the previous month.
She increased his allowance by 10% in January.
She then decreased his allowance by 10% in February.
(a) How much is Ali's allowance in January?
(b) How much is Ali's allowance in February?

## Saturday, February 10, 2018

### P5 fractions (common misconception)

Compare the "minor" difference in the question (with or w/o "kg"), yet a drastic difference in meaning and hence difference in solution

## Sunday, February 4, 2018

### “How to Solve It” — This is the book by the renown Mathematician: George Polya.

"How to Solve It" — This is the book by the renown Mathematician: George Polya.

See if you can still get it from Amazon.

Sent from my iPhone