Browsing: All Content in Math 3 for Number sense Browse discussions |
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Resource Name |
Topic (Course) |
Technology |
Type |
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Rating |
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Abacus v1.4
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Place value (Math 3) |
Java Applet |
Tool |
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[1]
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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...
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Aritmética del reloj
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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Los estudiantes aprenden operaciones de aritmética modular trabajando con diferentes tipos de relojes. Parámetros: Número de horas en el reloj.
versión en inglés
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Base 10 Blocks: Description an...
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Place value (Math 3) |
Java Applet |
Lesson Plan |
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[2]
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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...
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Base 10 Blocks: Exploring Othe...
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Place value (Math 3) |
Java Applet |
Tool |
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[1]
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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...
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Base Blocks
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Place value (Math 3) |
Java Applet |
Tool |
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[7]
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Illustrate addition and subtraction in a variety of bases.
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Base Blocks Decimals
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Place value (Math 3) |
Java Applet |
Tool |
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[1]
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Add and subtract decimal values using base blocks.
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Caesar Cipher
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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Students practice simple arithmetic skills by encoding and decoding messages using an affine cipher.
Spanish version also available.
More: lessons, discussions, ratings, reviews,...
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Caesar Cipher II
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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Students practice simple arithmetic skills by encoding and decoding messages to determine the form for an affine cipher.
Spanish version also available.
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Caesar Cipher III
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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Students practice their reasoning and arithmetic skills by decoding messages to determine the form for an affine cipher.
Spanish version also available.
More: lessons, discussions, ratings, reviews,...
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Chip Abacus
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Place value (Math 3) |
Java Applet |
Tool |
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[0]
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Learn about carrying and digits using chips.
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Clock Arithmetic
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Number sense (Math 3) |
Java Applet |
Tool |
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[1]
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Students learn about modular arithmetic operations through working with various types of clocks. Parameters: Number of hours on the clock.
Spanish version also available.
More: lessons, discussions, ratings, reviews,...
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Clock Arithmetic and Cryptogra...
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Number sense (Math 3) |
Java Applet |
Lesson Plan |
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[2]
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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.
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Clock Arithmetic on a 10-hour ...
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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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,...
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Clock Arithmetic on a 12-hour ...
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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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,...
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Clock Arithmetic on a 2-hour c...
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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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,...
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Clocks and Modular Arithmetic ...
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Number sense (Math 3) |
Java Applet |
Support Material |
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[0]
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A dialogue between a student and a mentor on the relationship between clocks and modular arithmetic.
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Compare Numbers
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Number sense (Math 3) |
Flash |
Tool |
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[0]
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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.
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Cryptarithms
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Place value (Math 3) |
JavaScript |
Tool |
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[1]
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Cryptarithms are brain teasers obtained when digits in numerical calculations have been replaced by letters. Customarily, distinct letters stand for different digits. Another term, Alphametics, denote...
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Cryptography and Ciphers Dialo...
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Number sense (Math 3) |
Java Applet |
Support Material |
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[0]
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A dialogue between a student and a mentor on the relationship between cryptography and ciphers.
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El cifrado de César
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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Los estudiantes practican aritmética sencilla codificando y decodificando mensajes mediante un cifrado afín.
versión en inglés
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El cifrado de César II
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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Los estudiantes practican aritmética sencilla codificando y decodificando mensajes para determinar la forma de un cifrado afín.
versión en inglés
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El cifrado de César III
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Number sense (Math 3) |
Java Applet |
Tool |
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[0]
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Los estudiantes practican sus habilidades matemáticas y de razonamiento mediante la decodificación de mensajes para determinar la forma de un cifrado afín.
versión en inglés
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Integer Bars
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Place value (Math 3) |
Java Applet |
Tool |
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[0]
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Integer bars are similar to "Cuisenaire Rods." This applet offers various ways of manipulating virtual integer bars on screen. Its associated lesson contains material to introduce many basic mathemati...
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Manny's Rumba
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Number sense (Math 3) |
Shockwave |
Tool |
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[1]
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Given a target number in the form of an equation "Make x = (number) blocks," move the base ten blocks (ones or tens) to the area showing the target number.
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Modular Arithmetic Lesson
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Number sense (Math 3) |
Java Applet |
Activity |
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[1]
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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.
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