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Lesson 3-1 Example 2 3-1 Example 2 Find the sum of 311 and 452 using expanded form. 1.Write the first number in expanded form. 300 + 10 + 1.

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Presentation on theme: "Lesson 3-1 Example 2 3-1 Example 2 Find the sum of 311 and 452 using expanded form. 1.Write the first number in expanded form. 300 + 10 + 1."— Presentation transcript:

1 Lesson 3-1 Example 2 3-1 Example 2 Find the sum of 311 and 452 using expanded form. 1.Write the first number in expanded form. 300 + 10 + 1

2 Lesson 3-1 Example 2 3-1 Example 2 Find the sum of 311 and 452 using expanded form. 2.Write the second number in expanded form. 400 + 50 + 2

3 Lesson 3-1 Example 2 3-1 Example 2 Find the sum of 311 and 452 using expanded form. 3.Put the numbers in vertical format. Align the numbers in each place value. Find the sum of each column. 300 + 10 + 1 400 + 50 + 2 700 + 60 + 3

4 Lesson 3-1 Example 2 3-1 Example 2 Find the sum of 311 and 452 using expanded form. 4.Write the expanded form of the number in standard form. 700 + 60 + 3 = 763

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