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# Real life graphs

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by

## Mr Mattock

on 11 March 2018

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#### Transcript of Real life graphs

Real life graphs
Starter
Example
L.O. - Draw and understand the graphs of real life situations.

Can you use all the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12.

once only to complete the following.

? x ? + ? + ? = 30

? x ? + ? - ? = 30

? x ? - ? - ? = 30
2 x 12 + 1 + 5 = 30 ( = 24 + 1 + 5 )

3 x 9 +10 - 7= 30 ( = 27 + 10 - 7 )

4 x 11 – 8 - 6 = 30 ( = 44 – 8 - 6 )

Which graph represents the height of water in this jar over time?
What does the graph of this jar look like?
Example
Which graph represents the height of water in this jar over time?
What does the graph of this jar look like?
Starts filling very
quickly but slows all
the time as the jar widens.
Starts filling slowly
but the rate increases
all the time as the jar
tightens.