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Lesson 2-1 Example 5

2-1. Lesson 2-1 Example 5. Solve. PUZZLES Use the digits 7, 8, and 9 to make the greatest number. Use each digit once. Understand Read the problem. Write what you know. You can use 7 , 8 , and 9. 2-1. Lesson 2-1 Example 5.

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Lesson 2-1 Example 5

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  1. 2-1 Lesson 2-1 Example 5 Solve. PUZZLES Use the digits 7, 8, and 9 to make the greatest number. Use each digit once. Understand Read the problem. Write what you know. You can use 7, 8, and 9.

  2. 2-1 Lesson 2-1 Example 5 Plan Pick a strategy. One strategy is to make a table. Create a place-value chart.

  3. 2-1 Lesson 2-1 Example 5 Solve The digit in the hundreds place is multiplied by 100. Which digit gives you the greatest number? 9 The digit in the tens place is multiplied by 10. Which of the two remaining digits gives you the greater number? 8 What digit do you put in the ones place? 9 8 7 7 The greatest number you can make is 987.

  4. 2-1 Lesson 2-1 Example 5 Check Write all the other possible numbers you can make. Check to see which is farthest right on a number line.

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