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The m+e+a+n is the sum of all the values 4 divided by the number of values. Key Facts The formula for the circumference of a circle is c = 2  r The mode is the most common value. Think carefully about calculations. Decide whether to use: a mental calculation;.

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Top Tips

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Presentation Transcript

The m+e+a+n is the sum of all the values

4

divided by the number of values.

• Key Facts

• The formula for the circumference of a circle is c = 2  r

• The mode is the most common value

• Decide whether to use:

• a mental calculation;

• Explain

• how you worked out

• angles or lengths from

• those you were given.

• how you came to conclusions

a mental calculation with some jottings

a written method

a calculator

Top Tips

Pick out important

words or symbols

Look for words likesum,

product, calculate

Remember

Algebra has the same rules as arithmetic

• sensible

• Do a rough estimate

• Personal!

• try to correct your worst habits

• book in pencil

• go back and check when you

• need them during the exam.

• Don’t Do It

• Don’t assume a diagram is drawn

• accurately

Check to see that you have got

the units correct and that you

have written the answer in the

correct way

• Check to see if you were asked

• to give the answer to a certain

• number of decimal places or

• significant figures

Never give the probability of an

event as a ratio or as odds