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Practice Workbook SE - East Penn School District

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Name<br />

LESSON 11.1<br />

Mental Math: Patterns with Multiples<br />

Use a basic fact and a pattern to find the product.<br />

1. 6 5 <br />

2. 2 2 <br />

6 50 <br />

2 20 <br />

6 500 <br />

2 200 <br />

3. 3 6 <br />

4. 9 9 <br />

3 60 <br />

9 90 <br />

3 600 <br />

9 900 <br />

3 6,000 <br />

9 9,000 <br />

5. 10 3 <br />

6. 40 3 <br />

10 30 <br />

40 30 <br />

10 300 <br />

40 300 <br />

10 3,000 <br />

40 3,000 <br />

7. 600 30 <br />

8. 70 3,000 <br />

9. 1,000 30 <br />

10. 6,000 6,000 <br />

Find the value of n.<br />

11. n 40 8,000<br />

12. 900 300 n<br />

Mixed Review<br />

Round to the place value of the bold digit.<br />

13. 57,403,294 14. 983,204,448 15. 982,404<br />

© Harcourt<br />

Solve.<br />

300,010<br />

255,492<br />

<br />

392,402<br />

392,402<br />

492,148<br />

<br />

16. 17. 18. 12,498<br />

10,816<br />

<br />

<strong>Practice</strong><br />

PW59

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