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Modular Arithmetic Lesson	Number sense (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,...
Working with Place Value	Place value (Math 3)	Java Applet	Activity		[1]
Guided, interactive activities help students understand the concept of place value, using the number line, base blocks, and place value charts. More: lessons, discussions, ratings, reviews,...
Base 10 Blocks: Description an...	Place value (Math 3)	Java Applet	Lesson Plan		[2]
Description and lesson plan for the Base 10 Blocks tool, which allows students to interact with virtual base-ten blocks to work with concepts in the basic operations. Also covers applications of the t... More: lessons, discussions, ratings, reviews,...
Clock Arithmetic and Cryptogra...	Number sense (Math 3)	Java Applet	Lesson Plan		[2]
The following discussions and activities are designed to lead the students to practice their basic arithmetic skills by learning about clock arithmetic (aka modular arithmetic) and cryptography. More: lessons, discussions, ratings, reviews,...
Working with Place Value	Place value (Math 3)	Java Applet	Lesson Plan		[1]
Guided, interactive activities help students understand the concept of place value, using the number line, base blocks, and place value charts. Teacher information includes a list of targeted objectiv... More: lessons, discussions, ratings, reviews,...
Clocks and Modular Arithmetic ...	Number sense (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...	Number sense (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,...
What are Remainders Dialogue	Number sense (Math 3)	Java Applet	Support Material		[0]
A dialogue between a student and a mentor about remainders. More: lessons, discussions, ratings, reviews,...
Write the Correct Numbers in t...	Place value (Math 3)	Computer	Tool	$	[0]
Alterable worksheet in which students fill in blanks, adding and subtracting in powers of ten. Fee required to print: see this page. More: lessons, discussions, ratings, reviews,...
Compare Numbers	Number sense (Math 3)	Flash	Tool		[0]
Compare number size and place the greater or less than sign in the correct place. Use your choice of three levels of numbers to 100, 1000, or to 10000. More: lessons, discussions, ratings, reviews,...
Number Grid Level 1	Number sense (Math 3)	Flash	Tool		[1]
First level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a change... More: lessons, discussions, ratings, reviews,...
Number Grid Level 2	Number sense (Math 3)	Flash	Tool		[3]
Second level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a chang... More: lessons, discussions, ratings, reviews,...
Number Grid Level 3	Number sense (Math 3)	Flash	Tool		[1]
Third level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a change... More: lessons, discussions, ratings, reviews,...
Number Grid Level 4	Number sense (Math 3)	Flash	Tool		[1]
Fourth level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a chang... More: lessons, discussions, ratings, reviews,...
Number Grid Level 5	Number sense (Math 3)	Flash	Tool		[4]
Fifth level in a collection of five Number Grid activities. It displays a section of a matrix containing a set of consecutive whole numbers. A move from one number to the next within a row is a change... More: lessons, discussions, ratings, reviews,...
Number Puzzle	Number sense (Math 3)	Flash	Tool		[0]
Change the numbers in the blocks at the bottom of the pyramids and explore the effect on the number in the top block. What's the highest total you can get using the numbers 1 to 5 only once? More: lessons, discussions, ratings, reviews,...
Number Track	Number sense (Math 3)	Flash	Tool		[0]
Place the number tiles into the correct order on the track. There are three levels of difficulty, with an option to make your own number track arrangements. More: lessons, discussions, ratings, reviews,...
The 4 Digit Sequencer	Number sense (Math 3)	Flash	Tool		[0]
Given a starting number and step size, this sequencer challenges students to deduce the terms of a sequence by viewing subsets of the pattern. The sequencer allows for the input of four-digit and nega... More: lessons, discussions, ratings, reviews,...
Wash Line	Number sense (Math 3)	Flash	Tool		[0]
Hang the numbered shirts on the line in order. Order a mixed set of numbers with up to three decimal places. More: lessons, discussions, ratings, reviews,...
Writing Big Numbers	Place value (Math 3)	Flash	Tool		[0]
The aim of this module is to review large numbers, practice writing numbers as words, and as a reminder of place value. The module includes factsheets, worksheets, an activity, and a game. More: lessons, discussions, ratings, reviews,...
Abacus v1.4	Place value (Math 3)	Java Applet	Tool		[1]
The Abacus Java Applet/Application is an implementation of an Abacus counting machine. The machine displays a total for the number represented by the machine's current state in addition to each digits... More: lessons, discussions, ratings, reviews,...
Aritm�tica del reloj	Number sense (Math 3)	Java Applet	Tool		[0]
Los estudiantes aprenden operaciones de aritm�tica modular trabajando con diferentes tipos de relojes. Par�metros: N�mero de horas en el reloj. versi�n en ingl�s More: lessons, discussions, ratings, reviews,...
Base 10 Blocks: Exploring Othe...	Place value (Math 3)	Java Applet	Tool		[1]
Virtual base-ten blocks (that can be stuck together or broken apart into smaller units, rotated, moved around, etc.) and ideas on using them for addition, subtraction, multiplication, several algorith... More: lessons, discussions, ratings, reviews,...
Base Blocks	Place value (Math 3)	Java Applet	Tool		[7]
Illustrate addition and subtraction in a variety of bases. More: lessons, discussions, ratings, reviews,...
Base Blocks Decimals	Place value (Math 3)	Java Applet	Tool		[1]
Add and subtract decimal values using base blocks. More: lessons, discussions, ratings, reviews,...
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