Real-World Examples of the Commutative Property of Addition (Grade 2)

📚 Quick Study Guide

• 🔢 The Commutative Property of Addition states that changing the order of the addends does not change the sum.
• ➕ In simpler terms, $a + b = b + a$
• 🍎 Example: $3 + 2 = 2 + 3 = 5$
• 💡 This property makes mental math easier!

✏️ Practice Quiz

1. What is $5 + 3$? Which equation shows the commutative property?
   1. $5 + 3 = 8$ and $3 + 5 = 8$
   2. $5 + 3 = 7$ and $2 + 5 = 7$
   3. $5 + 3 = 8$ and $5 - 3 = 2$
2. Lily has 4 red balloons and 2 blue balloons. Which equation shows how many balloons she has in total using the commutative property?
   1. $4 + 2 = 6$ and $2 + 4 = 6$
   2. $4 - 2 = 2$ and $2 - 4 = -2$
   3. $4 + 2 = 6$ and $4 + 4 = 8$
3. What is $7 + 2$? Which equation uses the commutative property?
   1. $7 + 2 = 9$ and $2 + 7 = 9$
   2. $7 + 2 = 9$ and $7 - 2 = 5$
   3. $7 + 2 = 10$ and $2 + 7 = 10$
4. Tom has 6 toy cars and gets 3 more. Which equation represents the total number of cars using the commutative property?
   1. $6 + 3 = 9$ and $3 + 6 = 9$
   2. $6 + 3 = 9$ and $6 - 3 = 3$
   3. $6 + 3 = 10$ and $3 + 6 = 10$
5. What is $1 + 8$? Which equation shows the commutative property?
   1. $1 + 8 = 9$ and $8 + 1 = 9$
   2. $1 + 8 = 9$ and $8 - 1 = 7$
   3. $1 + 8 = 10$ and $8 + 1 = 10$
6. Sarah has 5 stickers and buys 4 more. Which equation represents the total number of stickers using the commutative property?
   1. $5 + 4 = 9$ and $4 + 5 = 9$
   2. $5 + 4 = 9$ and $5 - 4 = 1$
   3. $5 + 4 = 10$ and $4 + 5 = 10$
7. What is $9 + 1$? Which equation demonstrates the commutative property?
   1. $9 + 1 = 10$ and $1 + 9 = 10$
   2. $9 + 1 = 10$ and $9 - 1 = 8$
   3. $9 + 1 = 11$ and $1 + 9 = 11$