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      Displaying 5 resources
      • Thumb image for Sieve of EratosthenesResource Type: Website / HyperLink

        Sieve of Eratosthenes

        Grades: PS/Pre-K to 12
        Subjects: Positive & Negative Numbers, Number Sense, Multiplication & Division, Mathematics
        This worksheet (which accompanies a 10x10 grid of all numbers 1-100) allows students to explore prime numbers and factors by hav...
        Contributor: National Science Digital Library (NSDL)
        Views: 0Favorites: 0
      • Thumb image for EstimateResource Type: Website / HyperLink

        Estimate

        Grades: PS/Pre-K to 12
        Subjects: Counting & Place Values, Estimation & Rounding, Positive & Negative Numbers, Education, Child Development & Family Services and 2 additional..
        This interactive applet helps develop number sense. The user mentally estimates a number that is represented by an arrow on a nu...
        Contributor: The NSDL Math Common Core Collection
        Views: 0Favorites: 0
      • Thumb image for Give the Dog a BoneResource Type: Website / HyperLink

        Give the Dog a Bone

        Grades: PS/Pre-K to 12
        Subjects: Counting & Place Values, Estimation & Rounding, Positive & Negative Numbers, Inquiry & Problem Based Learning and 3 additional..
        Students will work in a square number grid of 1 to 100 and learn number patterns and sequencing. Ten bones are hidden in the squ...
        Contributor: The NSDL Math Common Core Collection
        Views: 0Favorites: 0
      • Thumb image for Begin With ButtonsResource Type: Website / HyperLink

        Begin With Buttons

        Grades: PS/Pre-K to 12
        Subjects: Measurement, Tools, and Data Analysis, English-Language Arts, Addition & Subtraction, Counting & Place Values and 10 additional..
        In this 8-lesson unit students use buttons to explore logical and numerical relationships that form the conceptual basis for und...
        Contributor: The NSDL Math Common Core Collection
        Views: 0Favorites: 0
      • Thumb image for Counting BooksResource Type: Website / HyperLink

        Counting Books

        Grades: TK/K to 6
        Subjects: Addition & Subtraction, Counting & Place Values, Positive & Negative Numbers, Multiplication & Division and 4 additional..
        The web site provides instructions for making counting books. Suggestions for using the completed books for counting one at a ti...
        Contributor: The NSDL Math Common Core Collection
        Views: 0Favorites: 0