Review/Division Model for Fractions
OBJECTIVE:
• Review basic fraction terminology
• Find the decimal form for fractions
Learning Upgrade: The Fraction Song
Jul 16­5:35 PM
Sep 10­8:46 AM
fraction
Fractions and Mixed Numbers
A number that names part of a whole or part of a group
numerator The top part of a fraction denominator The bottom part of a fraction 2
3
Proper
Fraction
Improper
Fraction
Mixed
Number
mixed number
A number that is made up of a whole number and a fraction 6
Sep 5­9:13 AM
2
3
Sep 4­4:23 PM
Basic Review / Terminology
1. What is a proper fraction? Give an example.
2. What is an improper fraction? Give an example.
• What is a mixed number? Give an example.
• Change 4 ⅔ to an improper fraction.
• Change 39 to a mixed number.
5
Jun 19­11:33 PM
Jul 16­5:35 PM
1
Basic Review / Terminology
A b/c "wheel"
• Show as many ways as you can of writing “15 divided by 3”
• What is “1 divided by 2” as a decimal?
• What type of fraction is 8/8? What does it equal?
Jul 16­5:51 PM
Jul 16­5:35 PM
Division Model for Fractions
Converting Fractions to Decimals
a
= a divided by b or a ÷ b or b a
b
• Use to find the decimal form of a fraction
Example: 8/2 means:
8 divided by 2
8 ÷ 2
2 8
= 4
Jul 28­7:22 PM
Jul 16­5:35 PM
Practice
Identify the following as a proper fraction, improper fraction, or mixed number:
1. 2 ½
2. ¾
3. 11/6
4. 9/9
5. Change 5 2/7 to an improper fraction
6. Change 61/8 to a mixed number
¼
7. How would you find what is as a decimal? 8. Is there a difference between “1 divided by 2” and “2 divided by 1”?
Show work/explain to support your answer.
Jul 16­5:50 PM
Jul 16­5:35 PM
2