Multiplication Shortcuts Worksheet #1

You may want to see calculation shortcuts before doing this worksheet.

Solve the following problems without using your calculator:

1. 867 × 100	2. 19,783 × 1,000	3. 91 × 9	4. 38 × 19
5. 78 × 101	6. 47 × 11	7. 31 × 21	8. 7 × 12
9. 23 × 11	10. 1112 × 8	11. 2 × 4,201	12. 23,023 × 3
13. 28 × 25	14. 18 × 19	15. 37 × 101	16. 2514 × 4
17. 4837 × 2	18. 69 × 71	19. 300 × 28	20. 99 × 101