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Course 2, Lesson 4-5
Add or subtract. Write in simplest form.
1. 2.
3. Evaluate + s if s = .
4. Jared and his friend Andre ordered a pizza. Jared ate of the pizza and
Andre ate of the pizza. How much more of the pizza did Jared eat?
5. Ellen has of a jar of jelly. After she makes some peanut butter and jelly
sandwiches, of the jar of jelly is left. What part of the jar of jelly did Ellen
use?
71015
+
1723
110
35
25
1334
25
Course 2, Lesson 4-5
ANSWERS
1.
2.
3.
4. Jared ate more of the pizza.
5.
12
1121
710
115
720
WHAT happens when you add,subtract, multiply, and divide
fractions?
The Number System
Course 2, Lesson 4-5
•To add mixed numbers•To subtract mixed numbers• To solve real-world problems involving
the addition or subtraction of rational numbers
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
The Number System
Course 2, Lesson 4-5
Course 2, Lesson 4-5
How did what you learned today help you answer the
WHAT happens when you add,subtract, multiply, and divide fractions?
Course 2, Lesson 4-5
The Number System
How did what you learned today help you answer the
WHAT happens when you add,subtract, multiply, and divide fractions?
Course 2, Lesson 4-5
The Number System
Sample answers:• When you add or subtract mixed numbers you can
rename the mixed number of write it as an improper fraction.
• I also learned to choose an operation to solve real-world problem involving mixed numbers
Write the mathematical procedures you would
use to find .
Course 2, Lesson 4-5
Ratios and Proportional Relationships
The Number System
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