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Multiplication

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Multiplication

1. 1. Learning the Multiplication Facts Part 1 By Monica Yuskaitis 3 x 3 = 9 4 x 8 = 32
2. 2. Multiplication Facts are easiest to learn when... <ul><li>You find patterns. </li></ul><ul><li>You use rhymes. </li></ul><ul><li>You use stories. </li></ul><ul><li>You relate them to what you already know. </li></ul>
3. 3. Zero Pattern 0 times any number is 0 <ul><li>0 x 3 = 0 </li></ul><ul><li>0 x 7 = 0 </li></ul><ul><li>0 x 4 = 0 </li></ul><ul><li>0 x 1 = 0 </li></ul><ul><li>0 x 0 = 0 </li></ul><ul><li>0 x 9 = 0 </li></ul>
4. 4. What is 0 x 8 = 0
5. 5. One’s Pattern 1 times any number is the same number <ul><li>1 x 3 = 3 </li></ul><ul><li>1 x 7 = 7 </li></ul><ul><li>1 x 4 = 4 </li></ul><ul><li>1 x 1 = 1 </li></ul><ul><li>1 x 2 = 2 </li></ul><ul><li>1 x 9 = 9 </li></ul>
6. 6. What is 1 x 5 = 5
7. 7. Two’s Pattern 2 times any number is that number doubled <ul><li>2 x 3 = 6 </li></ul><ul><li>2 x 7 = 14 </li></ul><ul><li>2 x 4 = 8 </li></ul><ul><li>2 x 1 = 2 </li></ul><ul><li>2 x 2 = 4 </li></ul><ul><li>2 x 9 = 18 </li></ul>
8. 8. What is 2 x 5 = 10
9. 9. Five’s Pattern - Step 1 Cut the number you are multiplying in half <ul><li>5 x 3 = 1.5 </li></ul><ul><li>5 x 7 = 3.5 </li></ul><ul><li>5 x 8 = 4 </li></ul><ul><li>5 x 1 = .5 </li></ul><ul><li>5 x 2 = 1 </li></ul><ul><li>5 x 6 = 3 </li></ul>
10. 10. Five’s Pattern - Step 2 If you are multiplying an odd number, drop the decimal point <ul><li>5 x 3 = </li></ul><ul><li>5 x 7 = </li></ul><ul><li>5 x 5 = </li></ul><ul><li>5 x 1 = </li></ul><ul><li>5 x 9 = </li></ul>1 . 5 3 . 5 2 . 5 . 5 4 . 5
11. 11. What is 5 x 7 = 3 5
12. 12. What is 5 x 3 = 1 5
13. 13. What is 5 x 9 = 4 5
14. 14. What is 5 x 5 = 2 5
15. 15. Five’s Pattern - Step 3 If you are multiplying an even number, just add a zero <ul><li>5 x 2 = </li></ul><ul><li>5 x 6 = </li></ul><ul><li>5 x 4 = </li></ul><ul><li>5 x 8 = </li></ul><ul><li>5 x 10 = </li></ul>1 0 3 0 2 0 0 5 0 4
16. 16. What is 5 x 8 = 4 0
17. 17. What is 5 x 6 = 3 0
18. 18. What is 5 x 4 = 2 0
19. 19. What is 5 x 2 = 1 0
20. 20. Nine’s Pattern - Step 1 Subtract 1 from number you are multiplying <ul><li>9 x 3 = 2 </li></ul><ul><li>9 x 7 = 6 </li></ul><ul><li>9 x 8 = 7 </li></ul><ul><li>9 x 1 = 0 </li></ul><ul><li>9 x 2 = 1 </li></ul><ul><li>9 x 6 = 5 </li></ul>
21. 21. Nine’s Pattern - Step 2 Add a 2nd number that totals nine with the 1st number <ul><li>9 x 3 = 2 </li></ul><ul><li>9 x 7 = 6 </li></ul><ul><li>9 x 8 = 7 </li></ul><ul><li>9 x 1 = 0 </li></ul><ul><li>9 x 2 = 1 </li></ul><ul><li>9 x 6 = 5 </li></ul>7 3 2 9 8 4 + + + + + + = = = = = = 9 9 9 9 9 9
22. 22. What is 9 x 7 = 6 3
23. 23. What is 9 x 8 = 7 2
24. 24. What is 9 x 9 = 8 1
25. 25. What is 9 x 6 = 5 4
26. 26. What is 9 x 5 = 4 5
27. 27. What is 9 x 3 = 2 7
28. 28. What is 9 x 4 = 3 6
29. 29. What is 9 x 2 = 1 8
30. 30. Six’s Pattern (even #’s only) Step #1 Cut the number you are multiplying in half. <ul><li>6 x 2 = 1 </li></ul><ul><li>6 x 4 = 2 </li></ul><ul><li>6 x 6 = 3 </li></ul><ul><li>6 x 8 = 4 </li></ul>
31. 31. Six’s Pattern (even #’s only) Step #2 The number you are multiplying by 6 is the 2nd #. <ul><li>6 x 2 = 1 </li></ul><ul><li>6 x 4 = 2 </li></ul><ul><li>6 x 6 = 3 </li></ul><ul><li>6 x 8 = 4 </li></ul>2 4 6 8
32. 32. What is 6 x 6 = 3 6
33. 33. What is 6 x 2 = 1 2
34. 34. What is 6 x 8 = 4 8
35. 35. What is 6 x 4 = 2 4