How to use a protractor

What are protractor?

• used for seeing angles

• Used to measure angles

• find angles

• hide angles

Tags

CCSS.4.MD.C.6

Where should we always MEASURE from?

• 180°

• 90°

• 0°

• 35°

Tags

CCSS.4.MD.C.6

What is the angle of this?

• 140°

• 20°

• 130°

• 30°

How many degrees is this angle?

• 70°

• 110°

• 80°

• 120°

Tags

CCSS.4.MD.C.6

Are you enjoying the video lesson?

• Yes

• No

Tags

CCSS.L.2.1D

CCSS.L.3.1E

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1D

How many degrees is this angle?

• 65°

• 135°

• 125°

• 55°

Tags

CCSS.4.MD.C.7

How many degrees is this angle?

• 30°

• 150°

• 20°

• 160°

Tags

CCSS.4.G.A.1