Skip to content

By the latter part of the first millennium of the Current…

“By the latter part of the first millennium of the Current Era, the system we use today to write numbers and do arithmetic had been worked out—expressing any number using just the ten numerals 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, and adding, subtracting, multiplying, and dividing them by the procedures we…” quote by Keith J. Devlin
Download Open image
““By the latter part of the first millennium of the Current Era, the system we use today to write numbers and do arithmetic had been worked out—expressing any number using just the ten numerals 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, and adding, subtracting, multiplying, and dividing them by the procedures we are all taught in elementary school. (Units column, tens column, hundreds column, carries, etc.) This familiar way to write numbers and do arithmetic is known today as the Hindu-Arabic system, a name that reflects its history.””

Keith J. Devlin

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

The Hindu‑Arabic numeral system, using ten digits and place value, was fully developed by the first millennium CE and underpins modern arithmetic.

In simple terms: Ten digits and place value enable modern math.

Key Takeaway

Learn the history of our number system.

Themes

history mathematics education culture systems

Mood

informative reflective

Type

educational historical

When to use this quote

  • teaching elementary math
  • designing curricula
  • explaining number origins
  • comparing numeral systems
  • appreciating cultural contributions

Key Concepts

place value decimal system numeral evolution cross‑cultural exchange standardization

Questions to Reflect On

  • How did place value revolutionize computation?
  • What would math look like without a decimal system?
A Different Perspective

Other numeral systems like Roman or Chinese were also influential and still used in specific contexts.

★ ★ ★ ★ ★ No ratings yet

More by Keith J. Devlin

Explore all 11 Keith J. Devlin quotes

More Arithmetic quotes

Browse all 233 Arithmetic quotes