Vocabulary
What are the parts of a fraction?
A fraction consists of a numerator and a denominator.
What math operation would you use to simplify a fraction to it's lowest terms?
I would use division
1/2
12/24
They are equivalent
What are common denominators?
Fractions that have the same number in the denominator.
What is a fraction?
A fraction names a part of a whole.
Simplify the fraction
12/30
2/5
1/4
2/8
4/16
They are equivalent
Find a common denominator for
3/5 and 1/2
10
What does the numerator's job?
The numerator tell us how many equal parts are taken.
Simplify the fraction
9/15
3/5
Explain how to use cross multiplication and what it means.
Cross multiplication can be used to check if two fractions are equivalent or not. You multiply the denominator of one fraction by the numerator of the other. Then do the same for the other denominator and numerator. If the products are the same, then the fractions are equivalent.
Write equivalent fractions with a common denominator
2/3 and 4/6
4/6 and 4/6 (they are equivalent)
What is the job of the denominator?
The denominator tell us how many equal parts are in the whole.
In the school chorus, 4/24 of the students are fourth graders. In simplest form, what fraction of the students in the school chorus are fourth graders?
1/6
What operation would you use to generate an equivalent fraction?
Multiplication
Write the pair of fractions that are equivalent and have a common denominator.
3/4 and 1/3
9/12 and 4/12
What does it mean if two fractions are equivalent?
It means that there are two different fractions that are naming the same amount.
Simplify the fraction
8/28
2/7
Generate an equivalent fraction for 4/5
Sample answers
8/10, 12/15, 16/20
Write the common denominator for
1/4 and 3/10
40