Introduction
Hey, Math Explorers! Get ready to dive into the world of decimal numbers. Today, we're going to learn how to build a decimal number from its parts. It's like putting together a puzzle, but with numbers! Let's jump in and explore decimal numbers in standard form.
Task
Your task is to rewrite decimal numbers from expanded form and expanded notation to standard form. By the end of this activity, you'll be able to take a decimal number that's broken into its parts and put it back together into its standard, or "normal," form.
https://www.k5learning.com/worksheets/math/grade-6-place-value-normal-form-6-decimal-digits-a.pdf
https://www.k5learning.com/worksheets/math/grade-6-place-value-normal-form-6-decimal-digits-b.pdf
Process
- Understand Decimal Parts: First, let's review what makes up a decimal number. Remember, a decimal number has two parts: the whole number part and the decimal part.
- Explore Expanded Form: Look at decimal numbers written in expanded form, where each digit is shown in its own place value. For example, 2.42.4 in expanded form is 2+0.42+0.4.
- Discover Expanded Notation: Now, check out decimal numbers written in expanded notation, where each digit is shown multiplied by its place value. For example, 2.42.4 in expanded notation is 2+4×0.12+4×0.1.
- Put It Together: Use what you've learned to rewrite the decimal numbers from expanded form and expanded notation into standard form. Remember, standard form shows the whole number part and the decimal part combined.
- Practice, Practice, Practice: Try rewriting several decimal numbers using both expanded form and expanded notation. The more you practice, the better you'll get at building decimal numbers!
Resources:
- Textbook or online resources explaining expanded form and expanded notation for decimal numbers.
- Worksheets or practice problems with decimal numbers in expanded form and expanded notation.
Conclusion
Great job, Math Explorers! You've mastered the art of building decimal numbers from their parts. Now, you can confidently rewrite decimal numbers from expanded form and expanded notation into standard form. Keep practicing, and remember to have fun exploring the world of decimal numbers!