Transcript Improper Fractions and Mixed Numbers

Lesson 7.1: Mixed
Numbers
Math Reflexes
Circle the numerator. Underline the
denominator in each fraction.
5
10
3
8
Math Message
Complete Problems 1 and 2 on MJ page 187.
Improper Fractions
1
1
2
1
4
1
3
What’s the value of the other
shapes?
5
Place 2 on your desk. This is an improper fraction
because the numerator is larger than the
denominator.
There is always another way to write an improper
fraction. Can you figure out how we can do this?
You can use your shapes to help you figure it out.
2 ½ = 5/2
Improper Fractions
Let’s try this with other improper fractions.
Place 9/2 in front of you. How can we write this as a
mixed number?
4½
Place 7/3 in front of you. How can we write
this as a mixed number?
Place 14/6 in front of you. How can we write
this as a mixed number?
Place 4/3 in front of you. How can we write
this as a mixed number?
Improper to Mixed
How can we change improper fractions to mixed
numbers not using shapes?
Remember that the fraction bar also means
division…
So,
Let’s set it up as a long
division problem.
Using long division to convert improper fractions
to mixed numbers.
Mixed Number to Improper Fraction
Step 1: 3 * 2 = 6
Step 2: 6 + 1 = 7
Step 3: 7/3
So, 3 ½ = 7/3
Wrapping it Up
Write your work in your Math Notebook.
Write five thirds in your notebook.
Use long division to change five thirds into a mixed
number.
Write 2 ½ in your notebook.
Change it into an improper fraction.
Homework
Math Box 7.1
Math Box 7.1 Answers