Measuring an Angle

What tool is used to measure angles?

• Protractor

• Compass

• Stopwatch

• Ruler

Tags

CCSS.4.MD.C.6

What unit is used to measure angles?

• Degrees

• Meters

• Centimeters

• Inches

Tags

CCSS.4.MD.C.6

Where should the protractor be aligned to measure an angle?

• Outside the angle

• At the tip of the ray

• At the vertex of the angle

• At the end of the ray

Tags

CCSS.4.MD.C.6

Which part of the protractor should line up with one of the rays?

• The top edge

• The right angle corner

• The curved edge

• The bottom horizontal line

Tags

CCSS.4.MD.C.6

What is the first step in measuring an angle with a protractor?

• Choose a ray to align

• Place the protractor on the angle

• Find the vertex

• Decide which numbers to use

Tags

CCSS.4.MD.C.6

When measuring an angle, where should you start counting from on a protractor?

• 180

• 100

• 10

• 0

Tags

CCSS.4.MD.C.6

What should you always remember to include after measuring an angle?

• The word 'angle'

• The color of the protractor

• A drawing of the angle

• The measurement unit

Tags

CCSS.4.MD.C.6

What should you do if a ray isn't clearly pointing to a number on the protractor?

• Estimate the angle

• Measure from the other ray

• Use a different protractor

• Extend the ray

Tags

CCSS.4.MD.C.6

How do you measure an angle that is more than 180 degrees?

• Only use the inner numbers

• Guess the measurement

• Measure in parts and add them

• Use a larger protractor

Tags

CCSS.4.MD.C.6

What do you add to the measurement to get the total angle if it's more than 180 degrees?

• 90 degrees

• 180 degrees

• The measurement of the rest of the angle

• 100 degrees

Tags

CCSS.4.MD.C.7