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Maths: Revision note
maths revision
| Question | Answer |
|---|---|
| Bar Graphs: | a way to present statistical data. can be vertical and can be horizontal. |
| drawing bar graphs: | have title axis must be labeled must have accurate scale that is relevant data. |
| averages: | there are three types of averages such as mean medium and mode. |
| what is mean medium and mode? | mean: add all the values. than divide by the sum of the number of values. medium: the middle result and mode:value that occurs the most frequent. |
| quadrilaterals: | plain shape with four straight sides. |
| angle sum in quadrilateral | all angels in a quadrilateral is 360 degrees. |
| angles in a triangle | angles in a triangle equal to 180 degrees. |
| what are the meanings of: | equaltrial triangle-all angles are equal. isosceles triangle-two equal angles opisite the equal sides. scalene-no two sides are equal. |
| triangles(angle names) | acute angled triangle- the 3 angles in the triangle are acute. obtuse angled triangle- contains one obtuse angle. right angled triangle- contains one right angled. |
| equations | equations are number sentences. they have a left hand side and a right hand side that are equal and equal sign. |
| using pro numerals | pro numerals are a letter in an equation that represents an unknown quantity. it is usually and x or y but any letter can be used. the value of the unknown pro numeral is known as the solution it is solved using backtracking. |
Created by:
cfakhoury
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