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An Introduction to Cross Number Puzzles Across the Grades

An Introduction to Cross Number Puzzles Across the Grades. Created by: Lyn Channey, Kristy Garvin, Karen Kissel, Barbara Wennerberg, and Amy Zell. What is this?. What could you do with this?. When I point to you, click on the next number to sort these shapes. 1. 2. 4. 5. 6. 7. 3. 8.

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An Introduction to Cross Number Puzzles Across the Grades

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  1. An Introduction to Cross Number Puzzles Across the Grades Created by: Lyn Channey, Kristy Garvin, Karen Kissel, Barbara Wennerberg, and Amy Zell

  2. What is this?

  3. What could you do with this?

  4. When I point to you, click on the next number to sort these shapes. 1 2 4 5 6 7 3 8

  5. When I point to you, click on the next number to sort these shapes. 2 4 5 1 6 7 3 8

  6. When I point to you, click on the next number to sort these shapes. 2 4 5 1 6 7 3 8

  7. When I point to you, click on the next number to sort these shapes. 2 4 5 1 6 7 3 8

  8. When I point to you, click on the next number to sort these shapes. 2 4 5 1 6 7 3 8

  9. When I point to you, click on the next number to sort these shapes. 2 4 5 1 6 7 3 8

  10. When I point to you, click on the next number to sort these shapes. 2 4 5 1 6 7 3 8

  11. When I point to you, click on the next number to sort these shapes. 2 7 4 5 1 6 3 8

  12. When I point to you, click on the next number to sort these shapes. 2 7 4 5 1 6 8 3

  13. How many circles do I have?

  14. How many circles do I have? 4

  15. How many rectangles do I have? 4

  16. How many rectangles do I have? 4 4

  17. How many blue shapes do I have? 4 4

  18. How many blue shapes do I have? 4 4 4

  19. How many green shapes do I have? 4 4 4

  20. How many green shapes do I have? 4 4 4 4

  21. How many total shapes do I have? 4 4 4 4

  22. How many total shapes do I have? 4 4 4 4 8

  23. What number sentences could I make? 4 purples + 4 greens = 8 shapes 4 circles + 4 rectangles = 8 shapes 4 4 4 4 8

  24. This is a Kindergarten Cross Number Puzzle

  25. In First Grade it might look like this:

  26. Flip it in Second Grade to show subtraction:

  27. Expand it to show two-digit addition.

  28. What number sentence does this represent?

  29. 15 + 22 = 37

  30. Now let’s try it with regrouping.

  31. What number sentence does this represent?

  32. 26 + 15 = 41

  33. Array Model of Multiplication 4 2

  34. What does this represent? 4 2

  35. 2 x 4 = 8 4 2

  36. From here it moves to multi-digit multiplication. Array Model 10 5 20 2 15 X 20

  37. Here is what the cross number puzzle would look like alone.

  38. What number sentence does this represent?

  39. 15 x 22 = 330

  40. In Conclusion…

  41. Any Questions?

  42. Celebrate!You have just expanded your knowledge of Math!

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