Standard 3—Mathematics

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numbers 1, 3, 6, 10, . . . . explore number relationships with a calculator (e.g., 12 + 6 = 18, 11 + 7 = 18, etc.) and draw conclusions. 2. Students use number sense and numeration to develop an understanding of the multiple uses of numbers in the real world, the use of numbers to communicate mathematically, and the use of numbers

  Standards, Mathematics, 3 standard