1 - (REVIEW: Circles) Understanding Angles with a Protractor

What tool is used to measure angles?

• Caliper

• Protractor

• Ruler

• Compass

Tags

CCSS.4.MD.C.6

What is the angle measure of the first chair demonstrated in the video?

• 120 degrees

• 150 degrees

• 145 degrees

• 130 degrees

Tags

CCSS.4.MD.C.6

What is the correct way to measure an angle using a protractor?

• Guess the angle size

• Align both rays at zero

• Measure the length of the rays

• Align one ray at zero and find where the other ray lands

Tags

CCSS.4.MD.C.6

If an angle measures 145 degrees on the outside scale, what is its measure on the inside scale?

• 35 degrees

• 145 degrees

• 55 degrees

• 75 degrees

Tags

CCSS.8.G.A.5

How do you create an angle of 130 degrees using a protractor?

• Align the vertex and mark at 130 on the outer scale

• Align the vertex and mark at 130 on the inner scale

• None of the above

• Align the vertex at 50 and mark at 180

Tags

CCSS.4.MD.C.6

What is the angle between the arms of the starfish?

• 85 degrees

• 65 degrees

• 75 degrees

• 95 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the angle measure of the slide?

• 65 degrees

• 85 degrees

• 75 degrees

• 95 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

How do you find the angle measure without rotating the angle?

• Subtract the smaller degree from the larger

• Add the degrees together

• Use only the inner scale

• Use only the outer scale

Tags

CCSS.4.MD.C.6

What is the angle measure formed by the tree branch?

• 65 degrees

• 55 degrees

• 75 degrees

• 85 degrees

Tags

CCSS.4.MD.C.6

What should you ensure when neither ray of the angle is horizontal?

• The rays align with the numbers

• The vertex is in the middle

• The vertex is at the top

• The protractor is upside down

Tags

CCSS.4.MD.C.6