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Lets continue learning about angles and how to measure them.

Look at the in focus question below.


What do you think angles on a straight line add up to? 

If we know that angles on a straight line add to make 180 degrees and we know one angle measures 135 degrees. What do you think the other angle measures?


What calculation do we need to do? 


That's right. 180 - 135 will give us the measurement for the missing angle and this would be 45 degrees.



Now try the guided practice section below if you have a protractor then complete worksheet 3 on Seesaw.