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Multiplication Facts

5 x 7 = 35. 2 x 5 = 10. Multiplication Facts. 6 x 2 = 12. By: Mushooda Mehmood. ECE 8814 / 01. Contents. QCC Standards Zero’s Pattern One’s Pattern Two’s Pattern Five’s Pattern Ten’s Pattern Real Life Applications – Build a Garden External Links Scanned Picture .

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Multiplication Facts

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  1. 5 x 7 = 35 2 x 5 = 10 Multiplication Facts 6 x 2 = 12 By: Mushooda Mehmood ECE 8814 / 01

  2. Contents • QCC Standards • Zero’s Pattern • One’s Pattern • Two’s Pattern • Five’s Pattern • Ten’s Pattern • Real Life Applications – Build a Garden • External Links • Scanned Picture

  3. QCC Standards • Standard 43 • Standard 42 • Standard 45

  4. Multiplication Factsare easiest to learn when... • You can find patterns. • You can use songs. • You can use stories. • You can relate them to what you already know.

  5. Zero’s Pattern0 times any number is 0 • 0 x 2 = 0 • 0 x 3 = 0 • 0 x 8 = 0 • 0 x 1 = 0 • 0 x 0 = 0 • 0 x 4 = 0

  6. What is 0 x 9 = 0

  7. One’s Pattern1 times any number is equal to the number • 1 x 5 = 5 • 1 x 7 = 7 • 1 x 6 = 6 • 1 x 1 = 1 • 1 x 8 = 8 • 1 x 9 = 9

  8. What is 1 x 5 = 5

  9. Two’s PatternMultiplying any number by 2 is the same as doubling the number. • 2 x 3 = 6 • 2 x 7 = 14 • 2 x 4 = 8 • 2 x 1 = 2 • 2 x 2 = 4 • 2 x 9 = 18

  10. What is 2 x 5 = 10

  11. Five’s Pattern Step 1Cut the number you are multiplying in half • 5 x 3 = 1.5 • 5 x 7 = 3.5 • 5 x 8 = 4 • 5 x 1 = .5 • 5 x 2 = 1 • 5 x 6 = 3

  12. Five’s Pattern Step 2 If you are multiplying an odd number, drop the decimal point 1 . 5 • 5 x 3 = • 5 x 7 = • 5 x 5 = • 5 x 1 = • 5 x 9 = . 3 5 2 . 5 . 5 4 . 5

  13. What is 5 5 x 7 = 3

  14. What is 5 5 x 3 = 1

  15. What is 5 5 x 9 = 4

  16. What is 5 5 x 5 = 2

  17. Five’s Pattern Step 3 If you are multiplying an even number, just add a zero 1 0 • 5 x 2 = • 5 x 6 = • 5 x 4 = • 5 x 8 = • 5 x 10 = 3 0 2 0 4 0 5 0

  18. What is 0 5 x 8 = 4

  19. What is 0 5 x 6 = 3

  20. What is 0 5 x 4 = 2

  21. What is 0 5 x 2 = 1

  22. Nine’s Pattern Step 1Subtract 1 from number you are multiplying • 9 x 3 = 2 • 9 x 7 = 6 • 9 x 8 = 7 • 9 x 1 = 0 • 9 x 2 = 1 • 9 x 6 = 5

  23. Nine’s Pattern Step 2Add a 2nd number that totals nine with the 1st number 9 7 + • 9 x 3 = 2 • 9 x 7 = 6 • 9 x 8 = 7 • 9 x 1 = 0 • 9 x 2 = 1 • 9 x 6 = 5 = • 9 x 3 = 27 • 9 x 7 = 63 • 9 x 8 = 72 • 9 x 1 = 9 • 9 x 2 = 18 • 9 x 6 = 54 9 3 + = 9 2 + = 9 9 + = 9 8 + = 4 9 + =

  24. What is 3 9 x 7 = 6

  25. What is 2 9 x 8 = 7

  26. What is 1 9 x 9 = 8

  27. What is 4 9 x 6 = 5

  28. What is 5 9 x 5 = 4

  29. What is 7 9 x 3 = 2

  30. What is 6 9 x 4 = 3

  31. What is 8 9 x 2 = 1

  32. Ten’s PatternAdd a zero to the number that you are multiplying by ten • 10 x 2 = • 10 x 4 = • 10 x 6 = • 10 x 8 = 20 40 60 80

  33. What is 0 10 x 6 = 6

  34. What is 0 10 x 2 = 2

  35. Real Life Applications Congratulations!!!

  36. You have been selected to build a Garden!

  37. The town council of Stone Mountain decides to beautify the town. They build square flower beds of different sizes and surround them with square tiles. Take a look.

  38. 1 by 1 bed 2 by 2 bed 3 by 3 bed

  39. What is the area of the 1 by 1 bed excluding the tiles? 1 x 1 = 1 What is the area of the 1 by 1 bed including the tiles? 3 x 3 = 9

  40. Similarly, work out: ….the area of the 2 by 2 bed excluding the tiles. 2 x 2 = 4 …the area of the 2 by 2 bed including the tiles. 4 x 4 = 16

  41. Now, the 3 by 3 flower bed…. … area excluding the tiles… ? 3 x 3 = 9 … area including the tiles… ? 5 x 5 = 25

  42. Represent your answers by using a bar graph.

  43. Represent your answers by using a pie chart.

  44. Flower bed ? x ? ? x ? 1 x 1 3 x 3 2 x 2 4 x 4 3 x 3 5 x 5 Flower bed with tiles Let's summarize Interesting Pattern!

  45. External links • Video Clip: Multiplication of signed numbers • Multiplication Worksheets • Multiplication Practice

  46. UH!! Shouldn’t you be doing your homework!!??!! Fun Stuff !! Practice the Times Tables Interactive Flash Cards - Play by yourself or with a partner.  Hidden Picture Solve the multiplication problems to reveal a hidden picture.

  47. Standard 43 Relates concrete and pictorial models to multiplication and division.

  48. Standard 45 Determines basic multiplication facts through 9 x 9.

  49. Standard 42 Multiplies whole numbers by one digit numbers.

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