Base-Five Pieces
Manipulatives and More

Given below are some practice problems that will help you better understand the Base-Five numeration system. Click here to open a new browser window in which you can experiment with base-five pieces. Use your left mouse button to drag the pieces.

Base-Five Numerals

• What collection of pieces represents 332_five?
• What base-ten numeral has the same value as 143_five?
• What base-five numeral has the same value as the base-ten numeral 163?

Addition

• What base-five numeral represents 123_five + 221_five?
• What base-five numeral represents 1342_five + 334_five?

Subtraction

• What base-five numeral represents 434_five - 213_five?
• What base-five numeral represents 1111_five - 314_five?

Division

• What base-five numeral represents 341_five ÷ 3?
• What base five numeral represents 120_five ÷ 12_five?

Steve Kifowit Prairie State College Chicago Heights, IL 60411 6-6-2002