Reading a Protractor
Presentation
•
Mathematics
•
4th Grade
•
Medium
Standards-aligned
Jessica Catalano-McCloskey
Used 651+ times
FREE Resource
7 Slides • 13 Questions
1
Reading a Protractor
2
Multiple Choice
3
Multiple Choice
4
Fill in the Blank
5
Multiple Choice
6
7
Protractor WARNING!
Protractors have two sets of numbers going in opposite directions. One is closer to the inside and the other is towards the outside.
Be careful which you use!
8
Which numbers (inside or outside) should we be using to determine the angle?
The angle is ACUTE so we know it is less than 90º so we use the inside numbers highlighted yellow.
9
Which numbers (inside or outside) should we be using to determine the angle?
The angle is OBTUSE so we know it is greater than 90º so we use the inside numbers highlighted yellow.
10
Take a good look at this angle. Figure out the measurement.
11
Be careful! This angle starts on the other side of the protractor!
The angle is ACUTE so we know it is less than 90º so we use the outside numbers highlighted blue.
12
Poll
What is the measurement of this angle?
13
Multiple Choice
14
Multiple Choice
What is the measurement of the angle?
15
Multiple Choice
16
Multiple Choice
What is the measurement of the angle?
17
Multiple Choice
What is the measurement of the angle?
18
Multiple Choice
19
Multiple Choice
What is the measurement of the angle?
20
Multiple Choice
Reading a Protractor
Show answer
Auto Play
Slide 1 / 20
SLIDE
