Journal Articles and Lessons
Egyptian Fractions (Grades 4–6)
Explore Ancient Number Systems to Understand Place Value (Grades 2–3)
Exploring Mayan Numerals (Grades 4–5)
Exploring the Volume of Mayan and Egyptian Pyramids (K–Grade 6)
Freedom Quilts: Mathematics on the Underground Railroad (Grades 3–5)
Home Area and History (Grades 4–6)
North Dakota’s Centennial Quilt (Grades 4–6)
Navigations Series Lessons
Before, After, or Between (K–Grade 2)
Discovering Primes (Grade 4)
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