1. Name ____ Gr. 6__ Lesson #1 – Naming Angles Jan 12

2. Name Lesson #1 – Naming Angles Gr. 6_
EXPLORE  Page 126 – You will need an extra pencil (or ruler) and a loose leaf page. Follow directions including “Show and Share” with a shoulder partner.

3. Name Lesson #1 – Naming Angles Gr. 6_
CONNECT  Page 127
Objective – to define an angle, and name 5 different kinds of angles.

4. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when ________________.
An angle is just a _______________________.
The angle shows how far one arm is ________ to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? _______________
There are 5 types of angles:
1) Exactly 90º = ________ 2) Exactly 180º = ________
3) < 90º = ___________ 4) > 90º = _________
5) > 180º = __________

5. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a _______________________.
The angle shows how far one arm is ________ to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? _______________
There are 5 types of angles:
1) Exactly 90º = ________ 2) Exactly 180º = ________
3) < 90º = ___________ 4) > 90º = _________
5) > 180º = __________

6. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a turn about a vertex (point).
The angle shows how far one arm is ________ to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? _______________
There are 5 types of angles:
1) Exactly 90º = ________ 2) Exactly 180º = ________
3) < 90º = ___________ 4) > 90º = _________
5) > 180º = __________

7. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a turn about a vertex (point).
The angle shows how far one arm is turned to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? _______________
There are 5 types of angles:
1) Exactly 90º = ________ 2) Exactly 180º = ________
3) < 90º = ___________ 4) > 90º = _________
5) > 180º = __________

8. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a turn about a vertex (point).
The angle shows how far one arm is turned to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? right angle
There are 5 types of angles:
1) Exactly 90º = ________ 2) Exactly 180º = ________
3) < 90º = ___________ 4) > 90º = _________
5) > 180º = __________

9. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a turn about a vertex (point).
The angle shows how far one arm is turned to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? right angle
There are 5 types of angles:
1) Exactly 90º = right 2) Exactly 180º = ________
3) < 90º = ___________ 4) > 90º = _________
5) > 180º = __________

10. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a turn about a vertex (point).
The angle shows how far one arm is turned to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? right angle
There are 5 types of angles:
1) Exactly 90º = right 2) Exactly 180º = straight
3) < 90º = ___________ 4) > 90º = _________
5) > 180º = __________

11. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a turn about a vertex (point).
The angle shows how far one arm is turned to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? right angle
There are 5 types of angles:
1) Exactly 90º = right 2) Exactly 180º = straight
3) < 90º = acute ) > 90º = _________
5) > 180º = __________

12. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a turn about a vertex (point).
The angle shows how far one arm is turned to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? right angle
There are 5 types of angles:
1) Exactly 90º = right 2) Exactly 180º = straight
3) < 90º = acute ) > 90º = obtuse
5) > 180º = __________

13. Name Lesson #1 – Naming Angles Gr. 6_
An angle is formed when 2 rays meet.
An angle is just a turn about a vertex (point).
The angle shows how far one arm is turned to get to the other arm.
What angle is formed by the arms on a clock that shows 3:00pm? right angle
There are 5 types of angles:
1) Exactly 90º = right 2) Exactly 180º = straight
3) < 90º = acute ) > 90º = obtuse
5) > 180º = reflex

14. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5

15. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
Which angle is an acute angle? A right angle? An obtuse angle? A straight angle? A reflex angle?
a) b) c) d) e)

16. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
Which angle is an acute angle? A right angle? An obtuse angle? A straight angle? A reflex angle?
b) c) d) e) f)
right angle

17. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
Which angle is an acute angle? A right angle? An obtuse angle? A straight angle? A reflex angle?
b) c) d) e) f)
right angle acute angle

18. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
Which angle is an acute angle? A right angle? An obtuse angle? A straight angle? A reflex angle?
b) c) d) e) f)
right angle acute angle
obtuse angle

19. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
Which angle is an acute angle? A right angle? An obtuse angle? A straight angle? A reflex angle?
b) c) d) e) f)
right angle acute angle
obtuse angle reflex angle

20. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
Which angle is an acute angle? A right angle? An obtuse angle? A straight angle? A reflex angle?
b) c) d) e) f)
right angle acute angle
obtuse angle reflex angle
straight
angle

21. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) b)
c) d)
e) f)
g) h)
i) j)

22. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b)
c) d)
e) f)
g) h)
i) j)

23. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) d)
e) f)
g) h)
i) j)

24. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) straight d)
e) f)
g) h)
i) j)

25. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) straight d) obtuse
e) f)
g) h)
i) j)

26. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) straight d) obtuse
e) reflex f)
g) h)
i) j)

27. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) straight d) obtuse
e) reflex f) obtuse
g) h)
i) j)

28. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) straight d) obtuse
e) reflex f) obtuse
g) reflex h)
i) j)

29. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) straight d) obtuse
e) reflex f) obtuse
g) reflex h) obtuse
i) j)

30. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) straight d) obtuse
e) reflex f) obtuse
g) reflex h) obtuse
i) right j)

31. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
See text for actual drawing of angles.
#2 a) acute b) acute
c) straight d) obtuse
e) reflex f) obtuse
g) reflex h) obtuse
i) right j) acute

32. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
5a) For each time below, which type of angle is formed by the hour hand and minute hand on a clock? How did you find out?
i) 2:15
ii) 3:35
iii) 9:00
iv) 12:30
v) 1:45
5b) Would the size of each angle change if the minute hand was shorter? Justify your answer.

33. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
5a) For each time below, which type of angle is formed by the hour hand and minute hand on a clock? How did you find out?
i) 2:15 acute
ii) 3:35
iii) 9:00
iv) 12:30
v) 1:45
5b) Would the size of each angle change if the minute hand was shorter? Justify your answer.

34. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
5a) For each time below, which type of angle is formed by the hour hand and minute hand on a clock? How did you find out?
i) 2:15 acute
ii) 3:35 obtuse
iii) 9:00
iv) 12:30
v) 1:45
5b) Would the size of each angle change if the minute hand was shorter? Justify your answer.

35. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
5a) For each time below, which type of angle is formed by the hour hand and minute hand on a clock? How did you find out?
i) 2:15 acute
ii) 3:35 obtuse
iii) 9:00 right
iv) 12:30
v) 1:45
5b) Would the size of each angle change if the minute hand was shorter? Justify your answer.

36. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
5a) For each time below, which type of angle is formed by the hour hand and minute hand on a clock? How did you find out?
i) 2:15 acute
ii) 3:35 obtuse
iii) 9:00 right
iv) 12:30 some may say “straight”
(but actually obtuse)
v) 1:45
5b) Would the size of each angle change if the minute hand was shorter? Justify your answer.

37. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
5a) For each time below, which type of angle is formed by the hour hand and minute hand on a clock? How did you find out?
i) 2:15 acute
ii) 3:35 obtuse
iii) 9:00 right
iv) 12:30 some may say “straight”
(but actually obtuse)
v) 1:45 obtuse
5b) Would the size of each angle change if the minute hand was shorter? Justify your answer.

38. Name Lesson #1 – Naming Angles Gr. 6_
PRACTICE - Pages #’s 1, 2, 5
5a) For each time below, which type of angle is formed by the hour hand and minute hand on a clock? How did you find out?
i) 2:15 acute
ii) 3:35 obtuse
iii) 9:00 right
iv) 12:30 some may say “straight”
(but actually obtuse)
v) 1:45 obtuse
5b) Would the size of each angle change if the minute hand was shorter? Justify your answer. No, the size of each angle would NOT change, because it does not matter how long the arms are, just the “turn” between the two arms.