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Math Centers
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Geometry
Fractions
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Geometry
Tutorial
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Welcome to the Geometry Tutorial
Have Fun
and
Learn a lot!
Polygons
A closed figure that is formedby line segments
How many sides and angles does a triangle have?
•A tricycle has _______ wheels?
•A tripod has _______ legs?
A triangle has ___ sides and angles.
How many sides and angles does a pentagon have?
•There are _______ letters in the prefix penta.
•A house resembles a pentagon.
A pentagon has ___ sides and angles.
How many sides and anglesdoes a quadrilateral have?
•A quad has _______ wheels.
•There are _______ letters in the prefix quad.
A quadrilateral has ___ sides and angles.
What is the difference betweenthe number of sides in a hexagon
and an octagon?
The difference is…
•Hex has an x like the number ________.
•An octopus has ______ legs.
What is the name of this polygon?
This polygon is a…
Geometric Figures(Click on the word to see each figure)
line segment
ray
point
line
angle
Name That Figure!
The hands on a clock form a/an _______ .
ray angle line
Name That Figure!
A beam of light from a flashlight is a _______.
ray angle line
Loads of Lines
Do you know the names of these lines? Click on the pictures to check your answers.
All About Angles
Do you know the names of these angles? Click on the figures to check your answers.
Triangle Trio
Do you know the names of these triangles? Click on the triangle to check your answers.
CONGRATULATIONS!
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Geometry Tutorial!
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Welcome to the Geometry Quiz!
Good Luck!
What is the name of this polygon?
Pentagon Hexagon
A right angles measures how many degrees?
Exactly 90 DegreesLess Than90 Degrees
Name this Triangle
Equilateral AcuteTriangle
Scalene AcuteTriangle
A sidewalk is an example of what geometric figure?
line segmentray angle
What type of angle is shown?
obtuse angle acute angle
Name this figure.
C D
Line segment CD Line CD
What is the name of this polygon?
Pentagon Hexagon
What type of lines intersect at 90° angles?
Perpendicularlines
Parallellines
Need a hint?
Name this figure.
L
M
N
Angle LMN
Angle MNL
Name this triangle.
Isosceles RightTriangle
Scalene ObtuseTriangle
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Fractions
Tutorial
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Welcome to the Fraction Tutorial!
Have fun and learn a lot.
Reading Fractions
A fraction is a number that stands for part of a whole. A fraction has two parts.
34
The denominator (the number below the line) tells how many equal parts are in the whole.
The numerator (the number above the line) tells how many of those equal parts the fraction stands for.
You can use a fraction to name a part of a single object
What fraction of the pizza has been eaten?
REMEMBER: The numerator names the part of the whole and the denominator names how many total parts there are.
18
78
You can use a fraction to name part of a group.
What fraction of the group are men?
REMEMBER: The numerator names the part of the whole and the denominator names how many total parts there are.
35
25
Equivalent Fractions
Equivalent fractions name the same amount.
4
8
1
2
2
4
Are these three fractions equivalent?
Yes No
Comparing Fractionswith like denominators
In a swim camp of the children were boys and were girls.
Were there more boys or girls in the camp?
3
10 7
10
To determine your answer you can draw models and compare.
7
10
3
10
There are more… boys girls
Comparing Fractionswith unlike denominators
Which is greater or ?
To determine your answer, use a model.
1
2
1
3
1
2
1
3
The greatest
fraction is…….
12
13
Mixed Numbers
Sometimes you need to describe a whole and a part together.
This is called a mixed number.
11
2
Writing a Fraction as a Whole or Mixed Number
7
3as a mixed number
1 whole
2 wholes
1
3
21
3
Writing a Whole Number as a Fraction
23
4as a fraction
1 whole 2 wholes3
4
4
4
4
4
3
4
11
4
Adding Fractions with like denominators
Lee is baking cupcakes. He uses of a stick of butter for the batter and of a stick of butter for the icing. How much butter does he use in all?
If the fractions have like denominators, add the numerators and keep the denominators the same.
3
83
8
+ =3
8+
3
8=
6
8
Subtracting Fractions
Ronise buys ¾ yard of felt. She used ¼ of it for an art project. How much felt does she have left?
If the fractions have like denominators, subtract the numerators and keep the denominators the same.
2
4or
1
2
CONGRATULATIONS!
You have finished the
Fractions Tutorial.
Fractions Main Menu
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Welcome to the Fraction Quiz!
Good Luck.
Name the amount shown.
68
2
64
What fraction names the amount of red balls in the group?
58
38
12
Are these fractions equivalent?
yes No
Name the amount shown.
14
3
2 1 4
4
6
1
6=
56
26
36
=
Which amount is greater?
23
26
Which fraction is least?
14
24
3
6
2
6+ =
+ =
56
46
16
What fraction of the cookie has been eaten?
12
34
14
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Fraction Main Menu
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Equivalent Fractions Practice
Additional Lessons on Fraction Topics
Identifying Fractions Practice
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Figures and Polygons
Identify Geometric Figures Game
Geometry Flashcards
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