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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Algebraic Reasoning

Equations and functions (Math 5) 
Flash 
Tool 

[7]

This program introduces students to fundamental concepts in algebra. Using two or three weighing scales, students must determine the weight of a specific object or group of objects. The program provid...
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Balance

Equations and functions (Math 5) 
Sketchpad 
Tool 

[0]

This sketch contains a collection of five different shapes: a star, square, circle, triangle, and diamond. The weight of these shapes can be compared by using the provided balance scale; simply drag o...
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Balance applets

Equations and functions (Math 5) 
Java Applet 
Tool 

[3]

A series of balance applets of increasing difficulty.
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Bricks Activity

Equations and functions (Math 5) 
Java Applet 
Activity 

[0]

Student page for the classroom activity (also called the Masonry Problem; a variation on polyominoes) to be explored through manipulatives (dominoes). Students explore different possibilities of makin...
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Bricks Activity

Equations and functions (Math 5) 
Java Applet 
Lesson Plan 

[0]

Classroom activity (also called the Masonry Problem; a variation on polyominoes) to be explored through manipulatives (dominoes). Students explore different possibilities of making brick walls with an...
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Building a Brick Wall

Equations and functions (Math 5) 
Java Applet 
Support Material 

[0]

A pictorial representation of the pattern that emerges as you investigate the problem posed in the Domino Activity.
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Cereal Boxes and Spinners

Equations and functions (Math 5) 
Java Applet 
Technology PoW 

[0]

The user considers the reallife problem of cost/reward of cereal box prizes.
NOTE: A free login is required. Sign up using the link on the login page, or use your existing KenKen or Prob...
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Diagonal Differences

Equations and functions (Math 5) 
Flash 
Tool 

[0]

This tool arranges the numbers 1 to 64 in an 8x8 grid, then outlines a 3x3 square within that grid. Multiply the diagonal corners, then take the difference of your results. Is that difference the same...
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Domino Activity

Equations and functions (Math 5) 
Java Applet 
Activity 

[0]

Student page for the classroom activity (similar to Pentomino + 1 = Hexomino; a variation on polyominoes) to be explored through manipulatives (paper dominoes). Students explore whether it is possible...
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Domino Activity

Equations and functions (Math 5) 
Java Applet 
Lesson Plan 

[0]

A classroom activity (similar to Pentomino + 1 = Hexomino; a variation on polyominoes) to be explored through manipulatives (paper dominoes). Students explore whether it is possible to cover a 6x5 gri...
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Fibonacci Numbers and Brick Wa...

Equations and functions (Math 5) 
Java Applet 
Support Material 

[0]

This page explains the connection between the Fibonacci numbers to brick wall patterns.
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Function Machine

Equations and functions (Math 5) 
Java Applet 
Tool 

[5]

This virtual manipulative is designed to teach the concept of a function. It does so by allowing you experiment with various functions.
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Function Machines

Equations and functions (Math 5) 
Flash 
Tool 

[0]

Test yourself on basic function machines with these ten questions.
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Grapher

Equations and functions (Math 5) 
Java Applet 
Tool 

[6]

Using this virtual manipulative you may: graph a function; trace a point along the graph; dynamically vary function parameters; change the range of values displayed in the graph; graph multiple functi...
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Input/Output Machines

Representations (Math 5) 
JavaScript 
Tool 

[0]

This is a collection of mathlets that model functions as Input/Output machines. In addition to the concept of input/output machines the concepts modeled include:

Kathleen's Story

Equations and functions (Math 5) 
Java Applet 
Story 

[0]

A story related by a fourth grade Enrichment class teacher about how George Reese worked with two of her students on the Balance Applet tool.
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Leapfrog

Equations and functions (Math 5) 
Flash 
Tool 

[0]

Slide and jump the frogs to move each group to the opposite side. Can you find a pattern to get them there in the smallest number of moves? Can you predict how many moves it will take different number...
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Locker Problem

Equations and functions (Math 5) 
Java Applet 
Lesson Plan 

[0]

A classroom activity (also called 1000 Lockers) to be explored through the use of manipulatives and a ClarisWorks spreadsheet. Students then look for patterns and write the answer algebraically.
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Locker Problem

Equations and functions (Math 5) 
Java Applet 
Tool 

[0]

Investigate the famous Locker problem. Invent your own version! This applet has a feature that allows students to investigate some of their own versions of the locker problem. For example, instead of ...
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Locker Problem Activity

Equations and functions (Math 5) 
Java Applet 
Activity 

[1]

A classroom activity (also called 1000 Lockers) to be explored through the use of manipulatives and a ClarisWorks spreadsheet. Students then look for patterns and write the answer algebraically.
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Loopy Snooker

Equations and functions (Math 5) 
Flash 
Tool 

[0]

See how many bounces it takes to get the ball to a pocket on this special snooker table. (Snooker in Britain is similar to pool in America.) Change the size of the table and see what difference it mak...
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Number Balance KS2

Equations and functions (Math 5) 
Flash 
Tool 

[0]

An activity for developing understanding of simple equations. Hide individual numbers or symbols as you wish. Uses the less than and greater than symbols as well as equals.
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Number Stairs

Equations and functions (Math 5) 
Flash 
Tool 

[0]

This tools helps you investigate the pattern of the sums of numbers within a stair shape drawn on a 10x10 grid. What happens if you change the position of the stair? ...the size of the grid? the size ...
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Pan Balance  Shapes (Fixed Va...

Representations (Math 5) 
Java Applet 
Tool 

[3]

This double pan balance, created for use by participants in the PreK‑2 Algebra E‑Workshop, is a special version of the Pan Balance  Shapes applet. It uses numbers that are friendly for pr...
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Patterns, Relations, and Funct...

Representations (Math 5) 
Java Applet 
Activity 

[1]

This eModule presents sequences of geometric patterns and encourages students to generate rules and functions describing relationships between the pattern number and characteristics of the pattern. S...
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