1. Model Addition and Subtraction
Name: _______________________________
Model Addition and Subtraction
Directions: Read each problem below. Draw a model of the problem. Then, use the model to find the answer.
Problem
Model
Answer
1. Peter had 11 stamps in his stamp collection. Jorge had 21 stamps in his stamp collection. How many more stamps did Jorge have than Peter?
2. There were 14 people in line for the Ferris wheel. Then, 5 more people joined the line. How many people were in line for the Ferris wheel in all?

2. Problem
Model
Answer
3. Mrs. Paxton’s class checked out 12 fiction books and 17 non-fiction books from the library. How many books did the class check out in all?
4. There were 31 apples hanging from a tree. Then, 11 of them fell off. How many apples were left on the tree?
5. There were 16 pumpkins in one field at a pumpkin patch. There were 22 pumpkins in another field. How many pumpkins were there all together?

3. Model Addition and Subtraction – Answer Key
Name: _______________________________
Model Addition and Subtraction – Answer Key
Directions: Read each problem below. Draw a model of the problem. Then, use the model to find the answer.
Problem
Model
Answer
1. Peter had 11 stamps in his stamp collection. Jorge had 21 stamps in his stamp collection. How many more stamps did Jorge have than Peter?
10 stamps
2. There were 14 people in line for the Ferris wheel. Then, 5 more people joined the line. How many people were in line for the Ferris wheel in all?
19 people - +

4. Problem Model Answer + - +
3. Mrs. Paxton’s class checked out 12 fiction books and 17 non-fiction books from the library. How many books did the class check out in all?
19 books
4. There were 31 apples hanging from a tree. Then, 11 of them fell off. How many apples were left on the tree?
20 apples
5. There were 16 pumpkins in one field at a pumpkin patch. There were 22 pumpkins in another field. How many pumpkins were there all together?
38 pumpkins + - +