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Fourth Grade (Grade 4) Angles Questions

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Grade 4 Angles CCSS: 4.G.A.1
In the figure below, ∠DBA would best be described as                .
Complementary Angle #1
  1. right
  2. acute
  3. obtuse
  4. straight
Grade 4 Angles CCSS: 4.MD.C.6, MP5
Using the protractor, what is the degree measure of the angle shown?
Protractor 81° to 180°
  1. 81
  2. 79
  3. 104
  4. 96
Grade 4 Angles CCSS: 4.G.A.1
Classify the following angle.
45° Angle #2
  1. Straight
  2. Right
  3. Acute
  4. Obtuse
Grade 4 Angles CCSS: 4.MD.C.7
The measure of angle ABD is 90°. The measure of angle CBD is 30°.

Which equation can be used to find the value of angle ABC?
Complementary Angle #2
  1. ABC+30=90
  2. ABC-30=90
  3. ABC×30=90
  4. ABC÷30=90
Grade 4 Angles CCSS: 4.G.A.1
Which of the following best describes the angle shown below?
100° Angle #2
  1. right
  2. acute
  3. obtuse
  4. straight
Grade 4 Angles
Which of the following best describes the angle shown below?
Straight Angle
  1. right
  2. acute
  3. obtuse
  4. straight
Grade 4 Angles CCSS: 4.G.A.1
Which of the following best describes the angle shown?
30° Angle #1
  1. right
  2. acute
  3. obtuse
  4. straight
Grade 4 Angles CCSS: 4.MD.C.6
Which is the most reasonable measure for the angle?
100° Angle #2
  1. 70°
  2. 90°
  3. 100°
  4. 130°
Grade 4 Angles CCSS: 4.G.A.1
Classify the following angle.
105° Angle #2
  1. Straight
  2. Right
  3. Acute
  4. Obtuse
Grade 4 Angles CCSS: 4.MD.C.7
If ∠ABD measures 90°, and ∠DBC measures 32°, then what is the measure of ∠CBA?
Complementary Angle #2
  1. 32°
  2. 90°
  3. 60°
  4. 58°
Grade 4 Angles CCSS: 4.G.A.1
What kind of angle is a 45 degree angle?
  1. right
  2. straight
  3. acute
  4. obtuse
Grade 4 Angles CCSS: 4.G.A.1
Classify the following angle.
55° Angle #2
  1. right
  2. acute
  3. obtuse
  4. none of the above
Grade 4 Angles CCSS: 4.MD.C.6, MP5
What is the measurement of this angle in degrees?
Protractor 0° to 30°
  1. 150
  2. 30
  3. 180
  4. 25
Grade 4 Angles CCSS: 4.G.A.1
An angle that measures exactly 90 degrees is called                 angle.
  1. a right
  2. an acute
  3. an obtuse
  4. a triangle
Grade 4 Angles
Name the angle in the illustration.
140° Angle #1
  1. obtuse
  2. acute
  3. right
  4. reflex
Grade 4 Angles CCSS: 4.MD.C.7
If ∠DBC measures =78°, then what is the measure of ∠CBA? ∠DBA is 180°.
Supplementary Angle #1
  1. 78°
  2. 90°
  3. 180°
  4. 102°
Grade 4 Angles CCSS: 4.G.A.1
An angle that measures 165 degrees is
  1. an acute angle.
  2. an obtuse angle.
  3. a right angle.
Grade 4 Angles CCSS: 4.G.A.1
What type of angle is ∠CAB?
Circle ABC
  1. acute
  2. obtuse
  3. right
  4. straight
Grade 4 Angles CCSS: 4.MD.C.5, 4.MD.C.5b, MP2
An angle is shown on the protractor.
Protractor 0° to 10°
Which statement about the angle is true?
  1. The angle is obtuse.
  2. The angle is equal to two 10-degree angles.
  3. The angle turns through ten 1-degree angles.
  4. The angle turns through 5360 of a circle that has a measure of 360 degrees.
Grade 4 Angles CCSS: 4.G.A.1
An obtuse angle measures more than               degrees.
  1. 30
  2. 45
  3. 90
  4. 180
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