1. lesson 30.notebook October 10, 2013
Assignment:
1­­>Set 30 (all) ­ Due Tomorrow (10/11)
2­­>Test #3 signed for extra credit
3­­>Test #4 ­ Friday (10/18)

2. lesson 30.notebook October 10, 2013
Lesson 30 Warm­Up:
1) Simplify: 6 1/3 ­ 5 2/3
2) Complete the equivalent fraction: 2 ?
9 27
3) Convert 7 feet 10 inches to inches.
4) Estimate the sum of 6143 and 4952.
5) What is 3/5 of 20?

3. lesson 30.notebook October 10, 2013
Lesson 30:
*To add or subtract fractions or mixed numbers...you must have
COMMON DENOMINATORS!
*Write 3 equivalent fractions for ­
*Write a fraction equivalent to with a denominator of 40 ­

4. lesson 30.notebook October 10, 2013
Examples (Lesson 30):
Write each fraction so that they have common denominators.
Then compare them.
A)
B)

5. lesson 30.notebook October 10, 2013
Add or subtract.
C)
D) 7
­ 2
+ +

6. lesson 30.notebook October 10, 2013
E) 4 ­ 2
F) Use common denominators to arrange these fractions in order
from least to greatest.