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Terminolgy
Dividing Groups into Fractional Parts
Equivalent Fractions
Simplest Form
Random!
100
The least common multiple of two or more denominators is called . . .
The least common denominator.
100

Your school has 4 math classes, 2 Spanish classes, and 3 gym classes. What fraction of the total number of classes are gym classes?

What is 3/9 or 1/3.

100

1/2 = ?/4

2

100

Simplify 6/12

1/2

100
Draw a circle and shade in 2/3 of it. Use the whiteboard.
See whiteboard.
200

The term of a fraction, usually below the line, that tells us how many equal parts the whole is divided into.

What is the denominator.

200

Your grandma was bored and decided to bake cookies all day today. She baked 6 chocolate chip, 18 peanut butter, and 12 sugar. What fraction of the total number of cookies are peanut butter?

What is 18/36=9/18=1/2 or 18/36 = 2/4 = 1/2 or 18/36 = 6/12 = 1/2

200
7/8 = ?/32
28
200

Reduce as much as possible 25/75

1/3

200
Write and equivalent fraction for 16/21.
32/42, 48/63, 64/84, 80/105, etc.
300
The term of a fraction, usually above the line, that tells us how many parts we have.
What is the numerator?
300

The school is having a bake sale to raise money for a dance. They have 15 red velvet cupcakes, 5 loaves of pumpkin bread, 25 brownies, and 10 pieces of fudge. What fraction of the baked goods are brownies?

25/55 = 5/11

300
Write an equivalent fraction for 1/3
2/6, 3/9, 4/12, 5/15, 6/18, 7/21, 8/24, 9/27, 10/30
300

Using the greatest common factor (GCF) simplify 100/150

GCF is 10 and the simplified fraction is 10/15 = 2/3

300

Your school has purchased new laptops of various colors. There are 20 blue computers, 36 red computers, and 8 orange computers. What fraction of the computers are not orange or red?

20/64 = 5/16

400
These are examples of what: 1/3 = 2/6; 1/2 =2/4; 1/5 = 2/10
What are equivalent fractions?
400

Your family just got cable. You have 13 local channels, 15 sports channels, and 35 movie channels. What fraction of the total number of channels are not movie channels?

28/63 = 4/9

400
What is an equivalent fraction to 72/108
6/9 = 2/3
400

Using the GCF simplify 72/90

The GCF is 18 and the simplied fraction is 4/5

400

Using the greatest common factor simplify 45/72

GCF = 8 and the simplest form is 5/8

500
When a fraction cannot be simplified any further we say that the fraction is in its . . .
simplest form.
500

Your school offers some elective classes. The school has car mechanics, metal working, fashion design, bakery chef, drama, and animal sciences. What fraction of the classes currently offered include working with machines or animals?

3/6= 1/2.

500
Write an equivalent fraction for 17/34
34/68
500

Using the GCF reduce 80/110

The GCF is 10 and the simplified fraction is 8/11.

500

A number in the form of a/b (ex. 1/3)

What is a fraction?