How It Works. It looks a lot like a modern multiplication table. The top row and the far-right column contain the same 19 numbers: 0.5, the integers 1 through 9, and multiples of 10 from 10 to 90.

The 2,300-year-old matrix is the world's oldest decimal multiplication table. From a few fragments out of a collection of 23-century-old bamboo strips, historians have pieced together what they ...

Learn how to multiply decimals by 10, 100 and 1000 using a place value chart. Divide up to 4 digits by 1 digit Learn how to break down a calculation when dividing a 4-digit number by a 1-digit number.

K ASHIHARA, Nara -- A wooden tablet unearthed in 2001 from the ruins of Japan's late seventh to early eighth century capital Fujiwara-kyo here was part of a multiplication table chart used by ...

Multiplication and addition are commutative, eg 4 × 3 = 3 × 4 and 4 + 3 = 3 + 4 . ... This multiplication table includes both positive and negative numbers.

KASHIHARA, Nara -- A wooden tablet unearthed in 2001 from the ruins of Japan's late seventh to early eighth century capital Fujiwara-kyo here was part of a multiplication table chart used by ...