Estimating (degrees) With Reference (Level 2)

This math topic covers the concept of estimating angles in degrees, an essential part of the basics of geometry. Specifically, given a reference angle, the students' task is to provide a good estimation for the measurement of a second angle. A crucial aspect of understanding geometrical figures and their properties, the topic provides practice through illustrative questions where the images aid in visual estimation.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Angles - Estimating (degrees) With Reference Worksheet

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Math worksheet on 'Angles - Estimating (degrees) With Reference (Level 2)'. Part of a broader unit on 'Geometry - Angles and Transformations - Intro' Learn online: app.mobius.academy/math/units/geometry_angles_and_transformations/
1
If the first angle is 30°, what is a good estimate for the second angle?
An svg image showing a math problem
a
65º
b
135º
c
75º
d
175º
e
125º
f
15º
2
If the first angle is 75°, what is a good estimate for the second angle?
An svg image showing a math problem
a
230º
b
60º
c
220º
d
110º
e
150º
f
160º
3
If the first angle is 30°, what is a good estimate for the second angle?
An svg image showing a math problem
a
135º
b
45º
c
115º
d
195º
e
185º
f
155º
4
If the first angle is 30°, what is a good estimate for the second angle?
An svg image showing a math problem
a
215º
b
45º
c
155º
d
175º
e
125º
f
145º
5
If the first angle is 15°, what is a good estimate for the second angle?
An svg image showing a math problem
a
90º
b
170º
c
30º
d
100º
e
180º
f
140º
6
If the first angle is 90°, what is a good estimate for the second angle?
An svg image showing a math problem
a
125º
b
15º
c
205º
d
165º
e
135º
f
75º
7
If the first angle is 60°, what is a good estimate for the second angle?
An svg image showing a math problem
a
75º
b
225º
c
205º
d
25º
e
235º
f
Angles - Estimating (degrees) With Reference (Level 2) - Mobius Math