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Clock Arithmetic on a 10-hour ...	Operations with numbers (Math 3)+	Java Applet	Tool	[0]
On a 10-hour clock, there are only 10 numbers in the whole number system. However, every number has lots of different names. For example, the number before 1 is 0, so 10 = 0 on a 10-hour clock. More: lessons, discussions, ratings, reviews,...
Clock Arithmetic on a 12-hour ...	Operations with numbers (Math 3)+	Java Applet	Tool	[0]
On a 12-hour clock, there are only 12 numbers in the whole number system. However, every number has lots of different names. For example, the number before 1 is 0, so 12 = 0 on a 12-hour clock. More: lessons, discussions, ratings, reviews,...
Clock Arithmetic on a 2-hour c...	Operations with numbers (Math 3)+	Java Applet	Tool	[0]
On a 2-hour clock, there are only 2 numbers in the whole number system. However, every number has lots of different names. For example, the number before 1 is 0, so 2 = 0 on a 2-hour clock. More: lessons, discussions, ratings, reviews,...
Clocks and Modular Arithmetic ...	Operations with numbers (Math 3)+	Java Applet	Support Material	[0]
A dialogue between a student and a mentor on the relationship between clocks and modular arithmetic. More: lessons, discussions, ratings, reviews,...
Cryptography and Ciphers Dialo...	Operations with numbers (Math 3)+	Java Applet	Support Material	[0]
A dialogue between a student and a mentor on the relationship between cryptography and ciphers. More: lessons, discussions, ratings, reviews,...
El cifrado de C�sar	Operations with numbers (Math 3)+	Java Applet	Tool	[0]
Los estudiantes practican aritm�tica sencilla codificando y decodificando mensajes mediante un cifrado af�n. versi�n en ingl�s More: lessons, discussions, ratings, reviews,...
El cifrado de C�sar II	Operations with numbers (Math 3)+	Java Applet	Tool	[0]
Los estudiantes practican aritm�tica sencilla codificando y decodificando mensajes para determinar la forma de un cifrado af�n. versi�n en ingl�s More: lessons, discussions, ratings, reviews,...
El cifrado de C�sar III	Operations with numbers (Math 3)+	Java Applet	Tool	[0]
Los estudiantes practican sus habilidades matem�ticas y de razonamiento mediante la decodificaci�n de mensajes para determinar la forma de un cifrado af�n. versi�n en ingl�s More: lessons, discussions, ratings, reviews,...
Electronic Abacus Applet	Operations with numbers (Math 3)+	Java Applet	Tool	[0]
This applet explores the use of an abacus model for representing numbers and for performing addition. More: lessons, discussions, ratings, reviews,...
Lo Shu Magic Square	Operations with numbers (Math 3)+	Java Applet	Activity	[0]
Magic squares have been around for over 3,000 years. They are descendants of the oldest known number mystery, the legend of Lo Shu, found in China in a book entitled Yih King. More: lessons, discussions, ratings, reviews,...
Magic Square Java Applet	Operations with numbers (Math 3)+	Java Applet	Tool	[0]
Slide each number to fill one of the squares so that the sum of the columns and rows equal the same number. Start with a 3 x 3 square and then try a 4 x 4 and a 5 x 5. Originally written in 1996, you ... More: lessons, discussions, ratings, reviews,...
Magic Squares	Operations with numbers (Math 3)+	Java Applet	Lesson Plan	[0]
Designed primarily for middle school and older elementary school students, this Math Forum Web unit includes classroom activities for four different squares: Lo Shu, Sator, Durer, and Franklin, three ... More: lessons, discussions, ratings, reviews,...
Modular Arithmetic Lesson	Operations with numbers (Math 3)+	Java Applet	Activity	[1]
Clock (or modular) arithmetic is arithmetic you do on a clock instead of a number line. Investigate arithmetic using a 12-hour, 10-hour, and 2-hour clock. More: lessons, discussions, ratings, reviews,...
Number Puzzles	Operations with numbers (Math 3)+	Java Applet	Tool	[1]
Solve puzzles involving arranging numbers on a diagram so that they add up to a given value. More: lessons, discussions, ratings, reviews,...
Pattern Block Fractions	Operations with numbers (Math 3)+	Java Applet	Lesson Plan	[0]
This lesson focuses on the identification of fractional parts of a region and records them in standard form. Students continue to develop communication skills by working together to express their unde... More: lessons, discussions, ratings, reviews,...
What are Remainders Dialogue	Operations with numbers (Math 3)+	Java Applet	Support Material	[0]
A dialogue between a student and a mentor about remainders. More: lessons, discussions, ratings, reviews,...
Flash Card applet	Operations with numbers (Math 4)+	Java Applet	Tool	[0]
Flash Card applet. Enter the answer, hit "Return". More: lessons, discussions, ratings, reviews,...
Practicing Arithmetic	Operations with numbers (Math 4)+	Java Applet	Lesson Plan	[0]
Students practice arithmetic skills. Can be tailored for practice of all types of single operation arithmetic ranging from simple addition to operations with integers and decimals. More: lessons, discussions, ratings, reviews,...
Multiplying Decimals and Mixed...	Operations with numbers (Math 5)+	Java Applet	Lesson Plan	[1]
This lesson is designed to reinforce skills associated with multiplying decimals and mixed numbers and allow students to visualize the effects of multiplying by a decimal or mixed number. More: lessons, discussions, ratings, reviews,...
What is a Magic Square?	Operations with numbers (Math 6)+	Java Applet	Support Material	[0]
Included are directions for building magic squares, definitions, and a discussion of some special properties of magic squares. More: lessons, discussions, ratings, reviews,...
Arbitrary Precision Calculator	Operations with numbers (Math 7)+	Java Applet	Tool	[0]
This applet is meant to demonstrate the importance of significant figures in measurement. This applies especially to significant figures in chemistry. More: lessons, discussions, ratings, reviews,...
Magic Squares	Operations with numbers (Math 7)	Java Applet	Support Material	[0]
These pages were written by Mutsumi Suzuki and until his retirement in 2001, were available through his site in Japan. It is the Math Forum's pleasure to host these pages so that the mathematical comm... More: lessons, discussions, ratings, reviews,...
Arithmetic Quiz	Operations with numbers (Pre-Kindergarten)+	Java Applet	Tool	[1]
This activity allows the user to practice addition, subtraction, multiplication, and division, with variable difficulty, type of problem, and time allowed. Scoring is also an option. More: lessons, discussions, ratings, reviews,...
Base Blocks	Operations with numbers (Pre-Kindergarten)+	Java Applet	Tool	[9]
Illustrate addition and subtraction in a variety of bases. More: lessons, discussions, ratings, reviews,...
Building Houses Activity	Operations with numbers (Pre-Kindergarten)+	Java Applet	Activity	[1]
Students count, order, and compare the different sizes of integer bars as they make house designs using the Integer Bar applet by Jacobo Bulaevsky. More: lessons, discussions, ratings, reviews,...
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