📚 Topic Summary
Place value helps us understand what each digit in a number means. When we look at the numbers 11 through 19, we're seeing how many groups of ten and how many extra ones there are. For example, the number 14 has one group of ten and four ones. Understanding this concept is super important as it forms the foundation for all future mathematics. Let's get started!
🧠 Part A: Vocabulary
Match the words with their definitions:
| Word |
Definition |
| 1. Place Value |
A. The digit representing the number of ones. |
| 2. Tens |
B. The value of a digit based on its position in a number. |
| 3. Ones |
C. A group of ten units. |
| 4. Digit |
D. A symbol used to represent a number (0-9). |
| 5. Number |
E. A mathematical value or quantity that can be represented by digits. |
📝 Part B: Fill in the Blanks
Complete the sentences with the correct words:
The number 16 has one group of ______ and ______ ones. The ______ digit tells us how many groups of ten we have. The ______ place shows the number of individual units.
💡 Part C: Critical Thinking
Explain in your own words how understanding place value helps you compare numbers like 12 and 18.