Grade 4 - Unit 10 Assessment Angles

An angle is formed by how many rays?

• 4

• 3

• 2

• 1

Tags

CCSS.4.MD.C.7

How many 90° angles are in a circle?

• 360

• 4

• 8

• 2

Tags

CCSS.4.MD.C.7

Without using a protractor, estimate the measure of the angle formed by the minute and hour hands at 4:00.

• 120°

• 90°

• 180°

• 105°

Tags

CCSS.4.MD.C.7

Billy left his scissors open on his desk. What is the measure of the angle formed by the scissors’ blades?

• 40°

• 54°

• 36°

• 141°

Tags

CCSS.4.MD.C.7

Without using a protractor, choose the most reasonable estimate of the angle shown.

• 180°

• 45°

• 90°

• 165°

Tags

CCSS.4.MD.C.7

Each angle of this pentagon measures 108°. If an angle is equally divided in half, what is the measure of one of the smaller angles?

• 36°

• 54°

• 180°

• 162°

Tags

CCSS.4.MD.C.7

Do these letters have at least one right angle or no right angle?

Put each letter in the correct column to identify at least 1 right angle or no right angle.

Groups:

(a) at least 1 right angle

,

(b) no right angle

• 
• 
• 
• 

Tags

CCSS.4.MD.C.7

• false
• true

Tags

CCSS.4.MD.C.7

The measure of ∠DBC is 127°. What is the measure of ∠DBA?

• 53°

• 63°

• 73°

• 83°

Tags

CCSS.4.MD.C.7

Tags

CCSS.4.MD.C.7