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Education

Boats and people on a Ghanian river
Review

Exploring Africa

Its goal is to provide high quality resources about Africa and its nations for K-12 educators. Teachers and students can learn about themes relating to African history and information about specific countries in a well-researched, easily digestible format.
Nobel Peace Prize Medal
Review

Nobel Peace Center

However, most notable is their partnership with Minecraft Education. The Peace Center offers two Minecraft learning landscapes, Peace Builders and Active Citizen, both are targeted at students aged 8-15.
Black consonant letters from the Ge'ez script against a white background. There are 26 letters in three rows.
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Ge'ez Script

Ge’ez script is a script used in modern-day Eritrea and Ethiopia that dates back to the 1st century CE.

The edge of a counter with a man's shoulder and lettering in detail.
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Early Modern Counter

An early modern counter of the "Reichenmaster" style, with one side showing a picture of a man using a counting board and the other side showing the alphabet. These counters were used in classrooms to teach students both to read and perform basic arithmetic.

A sandstone featuring Meroitic hieroglyphs in three columns.
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Meroitic Script

The Meroitic Script was used in the Kingdom of Kush beginning in the 3rd Century BCE, or the Meroitic Period, and had two forms, Meroitic Cursive and Meroitic hieroglyphs.

A green background with counters on a counting board and pen and paper math.
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Division with an Early Modern Counting Board

Before the rise of literacy rates, counting boards such as the one featured in the video were the most common way to perform arithmetic. After pen-and-paper arithmetic replaced counting boards, Arabic numerals also became dominant throughout Europe. 

A green background with counters on a counter board.
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Multiplication with an Early Modern Counting Board

Before the rise of literacy rates, counting boards such as the one featured in the video were the most common way to perform arithmetic. After pen-and-paper arithmetic replaced counting boards, Arabic numerals also became dominant throughout Europe. 

A man sits in front of a counting board with a pile of counters in front of him and a counter in one hand.
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Engraving of a Rechentisch (Counting Board)

This image of an engraving depicts a man using a rechentisch, or counting board, the earliest known counting device and a precursor the abacus. The earliest known counting board is the Salamis Tablet, dating from 300 BCE, but may have been used more for gaming than for calculating.

A green background with counters on a counting board.
Methods

History of Pre-Modern Math

Before the widespread adoption of Arabic numerals, medieval and early modern Europeans added, subtracted, multiplied, and divided using a type of abacus known as a counting board and only afterwards recorded the results of their ca

A green background with counters on a counting board.
Source

Adding and Subtracting with an Early Modern Counting Board

Before the rise of literacy rates, counting boards such as the one featured in the video were the most common way to perform arithmetic. After pen-and-paper arithmetic replaced counting boards, Arabic numerals also became dominant throughout Europe.