Second Grade Online Demonstration/Exploration Tools

Most of the Internet resources for these early grades are found under Math Games at the right.   
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Explanation of Column Headings
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  Page Contents:

Number and Operations
Algebra
Geometry
Measurement
Data Analysis and Probability

Number and Operations

Broad Expectation* Topic
Link to Applet and Description
How good for teacher demos (1-3)?
How easy for students (1-3)?
How good for exploration (1-3)?
Available activities
Understand numbers, ways of representing numbers, relationships among numbers, and number systems            
             
Understand meanings of operations and how they relate to one another Addition Adding with Base Ten Blocks - Use base ten blocks to represent addition. Use the "selection marquee" (drag a rectangle) to group up blocks.
Base Blocks - base ten block introduction.
3
2
3
built in
             
Compute fluently and make reasonable estimate            
             

Algebra

Broad Expectation* Topic
Link to Applet and Description
How good for teacher demos (1-3)?
How easy for students (1-3)?
How good for exploration (1-3)?
Available activities
Understand patterns, relations, and functions            
             
Represent and analyze mathematical situations and structures using algebraic symbols            
             
Use mathematical models to represent and understand quantitative relationships            
             
Analyze change in various contexts            
             
             

Geometry

Broad Expectation* Topic
Link to Applet and Description
How good for teacher demos (1-3)?
How easy for students (1-3)?
How good for exploration (1-3)?
Available activities
Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships Shapes

Sort the Shapes - Three categories, including by color and shape (See the lower left hand corner for category 1, 2, 3).

2
2
3
self-explanatory
             
Specify locations and describe spatial relationships using coordinate geometry and other representational systems            
             
Apply transformations and use symmetry to analyze mathematical situations Patterns & Shapes

Pattern Blocks - Same as the physical blocks, just virtual. Nice tool. Another option.

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3
3
 
             
Use visualization, spatial reasoning, and geometric modeling to solve problems            
             

Measurement

Broad Expectation* Topic
Link to Applet and Description
How good for teacher demos (1-3)?
How easy for students (1-3)?
How good for exploration (1-3)?
Available activities
Understand measurable attributes of objects and the units, systems, and processes of measurement            
             
Apply appropriate techniques, tools, and formulas to determine measurements Time Judy Clock - Interactive clock. Click the circles in the upper left and right to show the time written out and digitally.
3
3
3
 
             

Data Analysis and Probability

Broad Expectation* Topic
Link to Applet and Description
How good for teacher demos (1-3)?
How easy for students (1-3)?
How good for exploration (1-3)?
Available activities
Formulate questions that can be addressed with data and collect, organize, and display relevant data to answer them            
             
Select and use appropriate statistical methods to analyze data            
             
Develop and evaluate inferences and predictions that are based on data            
             
Understand and apply basic concepts of probability Experimental probability Spinners - Can make various spinners with equal or unequal regions. Spin once or multiple times. Results table provided.
3
3
3
Spinner Game
             
 
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Click here for the Index for >> Online Math Games, Demonstration/Exploration Tools, and Puzzles

Explanation of Column Headings

(This page is organized using the five content areas in school mathematics, as articulated in the NCTM Principles and Standards, 2000.)


by: James R. Olsen, Western Illinois University
updated: May 24, 2012