I encounter many students who struggle with the concept and practice of rounding. The general procedure taught in school is that if the last digit is 0-4 we round down, and if it is 5-9 we round up, but what does "rounding up" and "rounding down" … [Continue reading]

# Integer Addition Challenges

I have noticed that a number of relatively senior learners, in Grades 10-12, still struggle with types of integer addition. For example, consider the following three simple arithmetic integer sums: $latex 8-3$ $latex -3+8$ $latex … [Continue reading]

# What type of number?

The 2012 Annual National Assessments for Grade 9 include a question to select a particular type of number from a list. Each of these carries one mark only, and thus not much is expected from the learner except to circle their choice on their answer … [Continue reading]

# LaTeX : markup for mathematics

LaTeX is a language developed from the TeX computer typesetting language which was originally created by the computer scientists Donald Knuth in the 1970s. LaTeX is generally represented by the logo $latex \LaTeX$, which you will only see if your … [Continue reading]

# Welcome to mathematics.co.za

Do you want to improve your mathematics? If so, then you have arrived at the right place. Here you will be exposed to everything from the basics up to the full Grade 12 curriculum, and to more. So....please bookmark this site and come back … [Continue reading]

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