Lesson 3-6 Example 2 3-6 Example 2 Find the difference 572 and 286. Use expanded form. 1.Write the first number in expanded form. 500 + 70 + 2.

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Presentation transcript:

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 1.Write the first number in expanded form

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 2.Write the second number in expanded form

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 3.Put the numbers in vertical form −

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 4.Look at the ones column. Because 6 > 2, you will need to regroup −

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 5.Rewrite the top number. Move 10 from the tens column to the ones column. Now subtract the ones column −

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 6.Look at the tens column. Because 60 < 80 you will need to regroup −

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 7.Rewrite the top number. Move 100 from the hundreds column to the tens column. Now subtract the tens column −

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 8.Find the differences of the hundreds column −

Lesson 3-6 Example Example 2 Find the difference 572 and 286. Use expanded form. 9.Write the expanded form number in standard form = 286