A series of custom-made computer programs have been written to accompany the Theoretical Learning mathematics program in Portland. These programs are written in Java and are intended to run on the Mac OS X or Windows platforms.

GRADE 1:

The first three programs used in Grade 1 (Color and Shape, Choose, and Arrows) are available for downloading below. These programs will run "out of the box" on Mac OS X.

NOTE! To use these programs on Windows, you first have to download and install a version of Sun Microsystem's Java software, which is available as a free download.

Color and Shape is the easiest program, and begins to develop the children's ability to work with properties of objects.

The Grade 1 programs are available here:

NOTE: For Windows, don't forget to download and install a version of Sun Microsystem's Java software first.

GRADE 2:

The six programs for practice in addition and subtraction up to 20 are available for downloading below. These programs will run "out of the box" on Mac OS X.

NOTE! To use these programs on Windows, you first have to download and install a version of Sun Microsystem's Java software, which is available as a free download.

Add and Subtract 1 is the easiest program, and is for practicing adding and subtracting by 1, 2, and 3:

The other programs (Add and Subtract 2 through Add and Subtract 6) gradually increase in difficulty until all additions and subtractions up to 20 are covered. Add and Subtract 1 is used in Grade 1 and the rest of the programs are introduced in Grade 2.

The Grade 2 programs are available here:

Program	Mac OS X	Windows
Add and Subtract 1	Add and Subtract 1.dmg	Add and Subtract 1.exe
Add and Subtract 2	Add and Subtract 2.dmg	Add and Subtract 2.exe
Add and Subtract 3	Add and Subtract 3.dmg	Add and Subtract 3.exe
Add and Subtract 4	Add and Subtract 4.dmg	Add and Subtract 4.exe
Add and Subtract 5	Add and Subtract 5.dmg	Add and Subtract 5.exe
Add and Subtract 6	Add and Subtract 6.dmg	Add and Subtract 6.exe

NOTE: For Windows, don't forget to download and install a version of Sun Microsystem's Java software first.

If you are a parent of a Portland Public Schools students and have any questions about using these programs, please write to us using the form below.

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