Expand the Hindu-Arabic numeral 5,789.

Evaluate the expression $4\times 7^3+5\times 2^5$.

Rewrite $6\times {10}^5+0\times {10}^4+8\times {10}^3+0\times {10}^2+1\times {10}^1+9\times {10}^0$ in Hindu-Arabic form.

Convert the Babylonian numeral to a Hindu-Arabic numeral.

Convert the Mayan number to a Hindu Arabic numeral.

What base system did the Babylonians use?

Which system—Roman, Babylonian, Mayan—used place values?

Convert the Roman numeral MDXLVII to a Hindu-Arabic numeral.

How many symbols are needed for a base 9 system?

For a system in a base larger than 10, what symbols are used as digits representing more than 10?

Convert 132₈ to a base 10 number.

List the numbers in base 4 up to 100₄.

Convert 74 to a base 12 number.

Create the addition table for base 4.

Calculate ${314}_6+{453}_6$.

Calculate 4B1₁₂ − 2A6₁₂.

When calculating ${23}_6+{53}_6$, a student obtains 76₆ . How do you know an error was made?

Create the multiplication table for base 4.

Calculate ${323}_4\times {132}_4$.

Calculate ${21}_4÷3_4$.