1. No category

INTERNATIONAL INDIAN SCHOOL , JEDDAH
Mathematics worksheet – Class V
10.Geometry Basics
Name : _______________________________ Class : __________
I.
Fill in the blanks:
1. A ____________ is the basic unit of geometry.
2. A ____________ is a collection of points going endlessly in both directions along a straight line.
3. A __________ has one end point and goes on endlessly in one direction.
4. When 2 rays / line segment have a common endpoint they form an _____________.
5. Two right angles next to one another , form a _______________ angle.
6. Angles that measures 90° are called ________________ angles.
7. Angles that measures between 0° and 90° are called _________________ angles.
8. Angles that measures between 90° and 180° are called _______________ angles.
9. A ________________ is a unit of measurement for measuring angles.
10. In < ABC, ____________ and ____________ are the arms and ______ is the vertex.
11. 180° angle is called a _______________ angle.
12. A ____________ has no end points.
II.
Write true or false:
1. The hands of a clock forms an acute angle when the time is 4:30.
2. The edge of a scale is an example of straight angle.
3. A point shows an exact location.
4. A ray and a line segment is a part of a line.
5. A protractor is used to measure angles.
III.
IV.
Write the type of angle :
i)
89°
iii) 91°
v) 90°
ii)
1°
iv) 179°
vi) 180°
Write the type of angle formed:
a)
V.
b)
c)
d)
Answer the questions:
Type of angle :____________________
X
Name of the angle : _________
Y
Z
Arms : ________________
Vertex :______________
VI.
Match the following :
Line segment AB
a)
A
Line AB
b)
c)
B
A
B
AB
B
A
BA
VII.
Measure and classify the angles into acute , obtuse, right or straight angles:
a)
b)
M
P
O
N
Q
R
P
c)
L
M
O
d)
O
Q
Challenge question:
A
1.
Y
?
MN is a straight line . `AOM = 25⁰ & NOY = 15⁰ , Find AOY
N
M
O
X
B
A
2.
B
O
Y
X
AOX , XOY and AOY are of same measurement. Find the measure of each
angle. (Hint: A circle has 4 quarters.Each quarter is 90⁰. First find the
complete angle.