Lesson 1.1: Place Value to 1,000,000
Understand the place value of digits in numbers up to 1,000,000.
Example: What is the value of the digit 7 in 472,365?
What is the value of the digit 7 in 472,365?
How to get the right answer:
Look at the position of the digit 7. It is in the ten-thousands place, so its value is 70,000.
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Lesson 1.2: Writing Numbers in Expanded Form
Break numbers into their expanded form based on place value.
Example: Write 345,678 in expanded form.
Choose the correct expanded form:
How to get the right answer:
Write each digit based on its place value: 3 in the hundred-thousands, 4 in the ten-thousands, etc.
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Lesson 1.3: Comparing Large Numbers
Compare numbers using greater than (>), less than (<), and equal to (=).
Example: Which is greater, 452,789 or 457,231?
Which number is greater?
Which number is greater?
How to get the right answer:
Compare the digits from left to right. The first difference appears in the ten-thousands place.
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Lesson 1.4: Rounding Numbers
Learn how to round numbers to the nearest 10, 100, or 1,000.
Example: Round 4,763 to the nearest 1,000.
Round 4,763 to the nearest 1,000.
What is the rounded number?
How to get the right answer:
If the **hundreds digit** is **5 or more**, round **up**. If it's **4 or less**, round **down**.
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