Measuring Angles in 4th Grade Math

What grade level learns about measuring angles in Texas?

• Sixth Grade

• Fifth Grade

• Fourth Grade

• Third Grade

What tool is introduced for measuring angles?

• Caliper

• Protractor

• Compass

• Ruler

Which letter represents the vertex in the angle XYZ?

• None

• X

• Y

• Z

What is the approximate measure of angle XYZ?

• Just under 90 degrees

• 180 degrees

• Exactly 90 degrees

• More than 90 degrees

How do you start measuring an angle with a protractor?

• From the right endpoint

• From the vertex

• From any point

• From the left endpoint

What does a 180 degree angle look like?

• A straight line

• A right angle

• A complete circle

• A sharp angle

What is the significance of the zero line on a protractor?

• It indicates the start of measurement

• It shows the maximum angle

• It is only for decoration

• It divides the protractor into halves

If an angle measures 91 degrees, where would it be on the protractor?

• Just past 90 on the right

• Just before 90 on the left

• Exactly at 90

• None of the above

What is the correct measure of angle XYZ?

• 89 degrees

• 90 degrees

• 109 degrees

• 91 degrees

Why might someone mistakenly think an angle is 180 degrees?

• If it looks like a flat line

• If it is very small

• If it is exactly 90 degrees

• If it is very large