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Rows and Columns Understanding repeated addition as an array

Rows and Columns Understanding repeated addition as an array. Rows- Number of things in a straight line that goes horizontally. carton of eggs. rows in a movie theater. row of houses. rows of flowers. Think of your own real life rows.

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Rows and Columns Understanding repeated addition as an array

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  1. Rows and Columns Understanding repeated addition as an array

  2. Rows-Number of things in a straight line that goes horizontally carton of eggs rows in a movie theater row of houses rows of flowers

  3. Think of your own real life rows

  4. Columns-a vertical arrangement of figures or other information. columns on the White House columns under a bridge

  5. Think of your own real life columns

  6. Here are 6 counters How many rows are there? 3 How many columns are there? 2

  7. 3 rows and 2 columns. 2+2+2 = 6 Could we write a repeated addition sentence?

  8. Here are 6 counters How many rows are there? 2 How many columns are there? 3

  9. 2 rows and 3 columns. 3 + 3 = 6 Could we write an addition sentence?

  10. What do you notice? 3 + 3 = 6 2 + 2 + 2 = 6

  11. Here are 10 counters How many rows are there? 5 How many columns are there? 2

  12. 5 rows and 2 columns 2 + 2 + 2 + 2 + 2 = 10 Could we write an addition sentence?

  13. Here are 10 counters How many rows are there? 2 How many columns are there? 5

  14. 2 rows and 5 columns. 5 + 5 = 10 Could we write an addition sentence?

  15. What do you notice? 5 + 5 = 10 2 + 2 + 2 + 2 + 2 = 10

  16. Here are 12 counters How many rows are there? 6 How many columns are there? 2

  17. 6 rows and 2 columns Could we write an addition sentence? 2 + 2 + 2 + 2 + 2 + 2 = 12

  18. Here are 12 counters How many rows are there? 2 How many columns are there? 6

  19. 2 rows and 6 columns. 6 + 6 = 12 Could we write an addition sentence?

  20. What do you notice? 6 + 6 = 12 2 + 2 + 2 + 2 + 2 + 2 = 12

  21. Mrs Masterson bakes cakes. She bakes her four children two cakes each. How many cakes does she bake?

  22. 2 + 2 + 2 + 2 = 8 4 + 4 = 8

  23. Mrs Patel buys some sweets. She buys her five friends two sweets each. How many sweets does she buy?

  24. 2 + 2 + 2 + 2 + 2 = 10 5 + 5 = 10

  25. Miss Smets buys some pencils. She buys her seven friends two pencils each. How many pencils does she buy?

  26. 2 + 2 + 2 + 2 + 2 + 2 + 2 = 14 7 + 7 = 14

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