This week we went over how to calculate a point that lies exactly half way between two other given points. Here are some examples of the sorts of things we have been dealing with:
These questions have been causing some of us some problems...
Now I know it's a little more complex than what is half way between 1 and 3 for example, but none the less, we all have the necessary skills/ understanding to be able to break this problem apart.
Steps to success:
1) If the numbers are in different formats, e.g. fractions/ decimals or percentages/ fractions, then make them the same.
2) Find the difference.
3) Half the difference (remember though, with fractions, you cannot have a decimal numerator- if this is the case then you will have to switch from a fraction to a decimal or percentage instead).
4) Add half the difference to the number at the start of the number line.
The following image might help you to remember this:
Try the following... A, B and C:
CHALLENGE:
If you managed to find the half way mark, tell me:
- What point would lie 1/4 of the way across?
- What point would lie 3/4 of the way across?
- What point would lie 1/3 of the way across?
- What point would lie 2/3 of the way across?
- What other point along the line can you find?
If you find you're struggling with these, embrace it as a failure (see earlier blog post) and rather than shying away from it, come and see me next week- I will be holding extra sessions over break times on Monday, Tuesday and Thursday where we can go over it and get some extra practise.
See you then,
Miss Barrell x
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