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How to Use a Protractor
Posodobljeno: 9/5/2018
How to Use a Protractor
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Diagram Procesa

Anna Warfield

Ves čas dajemo in dobivamo navodila, naj bo to vadnica na spletni strani, recept za večerjo ali navodila do pošte. Tudi skozi različne procese se dogaja, kot tudi mnogi naravni pojavi. Življenjski cikli, rutine, fotosinteza, prebava - procesi so povsod! Navodila in procese je toliko lažje razumeti, če jih spremljajo vizualni deli. Ko oblikujemo postopek ali ustvarimo zaporedni diagram, se lahko osredotočimo na diskretne korake, vzrok in učinek ter zaporedje.


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Snemalna Knjiga Opis

How to Use a protractor graphic organizer - diagram a process

Snemalna Knjiga Besedilo

  • Maybe I can help.
  • GAH! Math is so stupid! It doesn't make any sense!
  • This protractor thing is impossible!
  • I will show you how to use it. Well, step 1...
  • 
  • Make sure the protractor is not backwards! It makes life so much easier if you can read the numbers.
  • Before we measure, tell me if this is an acute, right, or obtuse angle.
  • It IS acute, so that means it measures less than 90 degrees. We already know the answer is between 0 and 90 degrees!
  • The line doesn't reach the numbers!
  • Acute?
  • There are two parts of the protractor to help you get the angle in the right place: 1) an upside-down T at the bottom middle 2) the base line (0 degrees or 180 degrees)
  • We want to place the protractor on top of the angle so the middle of the T is at the vertex.
  • Acute angle! 40 degrees! Take that MATH!
  • Rotate the protractor so the vertex of the angle is still at the T, but one leg of the angle is lined up with the 0 degree line.
  • That's OK. Don't you remember that definition about angles? Two RAYS with the same endpoint? Rays go on forever, so we can just extend the legs of the angle.
  • The legs of the angle are extended, so we just need to read the numbers. Our options are 140 degrees or 40 degrees. Which is it?
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