📚 Quick Study Guide
- 🔢 Place Value: Each digit in a number has a specific place value (ones, tens, hundreds, etc.).
- 📝 Expanded Form: Writing a number as the sum of the values of its digits.
- ➕ Example: For 547, we break it down like this: $500 + 40 + 7$.
✍️ Writing 547 in Expanded Form: A Step-by-Step Example
Let's break down the number 547 into its expanded form.
- 💯 Hundreds Place: The digit 5 is in the hundreds place, so its value is $5 \times 100 = 500$.
- ➕ Tens Place: The digit 4 is in the tens place, so its value is $4 \times 10 = 40$.
- ➕ Ones Place: The digit 7 is in the ones place, so its value is $7 \times 1 = 7$.
Now, we add these values together:
$500 + 40 + 7$
So, the expanded form of 547 is $500 + 40 + 7$.
Practice Quiz
-
What is the expanded form of 329?
- A) 30 + 20 + 9
- B) 300 + 20 + 9
- C) 300 + 2 + 9
- D) 30 + 2 + 9
-
What is the expanded form of 68?
- A) 6 + 8
- B) 60 + 8
- C) 60 + 80
- D) 6 + 80
-
What is the expanded form of 905?
- A) 90 + 5
- B) 900 + 5
- C) 900 + 50
- D) 9 + 5
-
What number is represented by the expanded form $200 + 30 + 1$?
- A) 23
- B) 231
- C) 203
- D) 321
-
What is the expanded form of 450?
- A) 400 + 5
- B) 40 + 50
- C) 400 + 50
- D) 4 + 5
-
What number is represented by the expanded form $700 + 2$?
- A) 720
- B) 702
- C) 72
- D) 207
-
What is the expanded form of 111?
- A) 100 + 1 + 1
- B) 10 + 10 + 1
- C) 100 + 10 + 1
- D) 1 + 1 + 1
Click to see Answers
- B) 300 + 20 + 9
- B) 60 + 8
- B) 900 + 5
- B) 231
- C) 400 + 50
- B) 702
- C) 100 + 10 + 1