Real-world examples of one-to-one counting up to 20

📚 Quick Study Guide

• 🔢 One-to-one counting means matching each object with one number.
• 🍎 Start with the number 1 and go up sequentially (1, 2, 3, ...).
• 🖐️ Practice with everyday objects like toys, fruits, or fingers.
• 💡 Make sure to only count each item once!
• 📝 Counting up to 20 helps build a strong foundation for more advanced math.

🤔 Practice Quiz

1. A farmer has 12 apples. If he gives away 5, how many does he have left to count initially?

   1. 5
   2. 7
   3. 12
   4. 17

2. A class has 15 students. If 3 are absent, how many students were there to initially count?

   1. 3
   2. 12
   3. 15
   4. 18

3. You have 8 building blocks. Your friend gives you 6 more. How many blocks do you have in total to count?

   1. 6
   2. 8
   3. 14
   4. 2

4. A baker makes 18 cookies. He sells 10. How many cookies did he have to count at the beginning?

   1. 8
   2. 10
   3. 18
   4. 28

5. There are 7 birds sitting on a tree. 5 more birds fly over and join them. How many birds are there to count in total?

   1. 5
   2. 7
   3. 12
   4. 2

6. Sarah has 9 pencils. John has 4 pencils. How many pencils do they have together to count?

   1. 4
   2. 9
   3. 13
   4. 5

7. A garden has 11 red flowers and 6 blue flowers. How many flowers are there in total to count?

   1. 6
   2. 11
   3. 17
   4. 5