I clicked so you [fellow Davidsoner] don't have to :-) Here's a quote from the page:
55 essential but simple rules (with examples) as well as error-reducing 'tips'
Converting common words (e.g. 'is', 'of', 'by', 'per', etc.) into math operations
[Unashamedly sticking my neck out]
No. If a child can understand English, and understands mathematics, s/he does not need to learn 55 rules or think mechanically about translating words into operations in order to solve "word problems". If your child has trouble with word problems, take it as a sign that there is something fundamental s/he's not understanding, and tackle that - don't teach rules.
