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2012 Mens Olympic 100m decimal difference maths homework

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In our maths work we have been looking at decimals and the number system. Check out the videos on this page  of the blog to find out more.

We have been looking at the number system and how we can represent parts of numbers by writing them as decimals.

Here are some key things to know:

  • The place holders after the decimal point are called tenths, hundredths, thousandths, ten thousandths etc…
  • Tenths are 10 times smaller than units
  • Hundredths are 100 times smaller than units
  • Thousandths ore 1000 times smaller than units
  • Each place holder is called a decimal place.
  • A number like 0.746 is a number with 3 decimal places
  • If you want to compare a list of decimals, add zeros to them in order to make them all have the same number of decimal places
  • eg. 0.1,   0.01,   0.23,    0.032,   0.13,   0.001.  This list would become: 0.100,   0.010,   0.230,   0.032,   0.130,   0.001. This makes it easier to “Go Compare”

Homework this week is in the PDF document below. This homework will require you to find the difference between different decimal values. You should do this by using the column method of subtraction which uses decomposition. Watch the videos below to remind yourself of this calculation method.

[gview file=”http://ff6w.primaryblogger.co.uk/files/2014/10/100m-maths-homework.pdf”]

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