Practice Workbook SE - East Penn School District
Practice Workbook SE - East Penn School District
Practice Workbook SE - East Penn School District
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Name<br />
LESSON 10.1<br />
Mental Math: Multiplication Patterns<br />
Use a basic fact and a pattern to write each product.<br />
1. 2. 3.<br />
a. 5 50<br />
b. 5 500<br />
a. 9 80<br />
b. 9 800<br />
a. 2 3,000<br />
b. 2 30,000<br />
4. 5. 6.<br />
a. 9 20<br />
b. 9 200<br />
a. 7 9,000<br />
b. 7 90,000<br />
a. 4 4,000<br />
b. 4 40,000<br />
Multiply mentally. Write the basic multiplication fact and the product.<br />
7. 5 700 8. 9 400 9. 9 900<br />
10. 4 500 11. 3 4,000 12. 8 3,000<br />
Find the value of n.<br />
13. 6 40,000 n 14. n 3 600 15. n 500 3,500<br />
16. 3 n 15,000 17. n 8 = 640 18. 7 n = 42,000<br />
19. 7,000 n = 49,000 20. 6 n = 5,400 21. n 6 = 1,800<br />
Mixed Review<br />
22. Write the time in words. 23. Write the time in words.<br />
© Harcourt<br />
PW52<br />
<strong>Practice</strong>