Real-world examples of modeling word problems with equations (3rd grade)

📚 Quick Study Guide

• 🔢 Word problems can be solved by turning the words into math equations.
• ➕ Addition is used when you are combining groups or adding more to a group.
• ➖ Subtraction is used when you are taking away from a group or comparing two groups.
• ✖️ Multiplication is used when you have equal groups that you are combining.
• ➗ Division is used when you are splitting a group into equal smaller groups.
• ✍️ Look for keywords like 'total', 'left', 'times', or 'shared equally' to help you decide which operation to use.
• 💡 Always check your answer to make sure it makes sense in the context of the word problem.

Practice Quiz

1. Sarah has 12 apples. She gives 5 apples to her friend. How many apples does Sarah have left?

   1. 17
   2. 7
   3. 60
   4. 2

2. Tom has 3 bags of marbles. Each bag has 6 marbles. How many marbles does Tom have in all?

   1. 9
   2. 18
   3. 3
   4. 2

3. Lisa has 20 stickers. She wants to share them equally among 4 friends. How many stickers will each friend get?

   1. 5
   2. 16
   3. 24
   4. 80

4. A farmer has 7 rows of corn. Each row has 9 corn plants. How many corn plants are there in total?

   1. 2
   2. 16
   3. 63
   4. 79

5. Maria baked 36 cookies. She ate 6 cookies. How many cookies are left?

   1. 30
   2. 42
   3. 6
   4. 216

6. David has 15 toy cars. He wants to put them into 3 equal groups. How many cars will be in each group?

   1. 5
   2. 12
   3. 18
   4. 45

7. Emily has 8 books. John has 5 more books than Emily. How many books does John have?

   1. 3
   2. 13
   3. 40
   4. 16