WorksheetsFL BEST grade 4 ch 12
Total questions: 20
Worksheet time: 24mins
Classify each degree as right, straight, acute, obtuse, or reflex
Acute
13*
Right
90*
Obtuse
92*
Straight
180*
Reflex
231*
The clock shows the time that Candy leaves for a car ride. She rides for 1/2 hour. How many degrees will the clock turn while she is on her ride?
270*
180*
90*
360*
This umbrella is cut into 8 equal parts. What is the measure of the yellow and purple part of the umbrella?
(a)
An angle is shown. What is the measure, in degrees, of the angle? (The protractor is upside down for a reason.)
0*
225*
235*
220*
Match the following
Obtuse angle
right angle
acute angle
Select all the triangles that have an obtuse angle.
Which triangle has 3 acute angles?
What is the measurement of the unknown angle (x)?
40°
100°
180°
50°
Match the following
108*
3/10
180*
2/4
288*
4/5
What is measure ∠XYZ?
80°
24°
34°
56°
What degrees does the angle measure?
70°
40°
30°
50°
Which angle measure does NOT belong with the other three?
1/8 of a circle
45/360 of a circle
30/360 of a circle
45°
A gear makes a half turn of 180* by making three separate turns all together. Through how many degrees does the gear turn in Turn 2?
Turn 1 = 37*
Turn 2 = ?
Turn 3 = 57*
(a)
You and your friend make a circular cake. Your friend eats 2/6 of the cake. You take a piece with an angle measure of 125 degrees. Who eats the larger piece?
You
Your Friend
Alan looked at the measures of the angles on the traffic signs and correctly classified the signs. Which traffic sign did Alan place in a group that has acute and obtuse angles?
Yield
Stop
No Passing Zone
Carlsbad Caverns
Label the attributes that apply to each set of lines.
Parallel Lines
Perpendicular Lines
Contains acute angles
Contains obtuse angles
Look at the angles made by the hands on each clock. Decide whether each angle measures less than or greater than 90*
Less than 90
Greater than 90
Less than 90
Less than 90
Look at the angles made by the hands on each clock. Decide whether each angle measures less than or greater than 90*
Greater than 90
Less than 90
Greater than 90
Less than 90
Which angle appears to have a measure less than 90*?
If the sum of the measures of two angles is 90°, and one angle measures 30°, what is the measure of the other angle?
30°
60°
90°
120°
