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Resources tagged with Introducing algebra similar to Weekly Problem 35 - 2008:

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Challenge level: Challenge Level:1 Challenge Level:2 Challenge Level:3

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Broad Topics > Algebra > Introducing algebra

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First Forward Into Logo 6: Variables and Procedures

Stage: 3, 4 and 5 Challenge Level: Challenge Level:1

Learn to write procedures and build them into Logo programs. Learn to use variables.

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Geomlab

Stage: 3, 4 and 5 Challenge Level: Challenge Level:1

A geometry lab crafted in a functional programming language. Ported to Flash from the original java at web.comlab.ox.ac.uk/geomlab

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First Forward Into Logo 8: More about Variables

Stage: 3, 4 and 5 Challenge Level: Challenge Level:1

Write a Logo program, putting in variables, and see the effect when you change the variables.

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Perimeter Expressions

Stage: 3 Challenge Level: Challenge Level:1

Create some shapes by combining two or more rectangles. What can you say about the areas and perimeters of the shapes you can make?

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Your Number Was...

Stage: 3 Challenge Level: Challenge Level:1

Think of a number and follow my instructions. Tell me your answer, and I'll tell you what you started with! Can you explain how I know?

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Your Number Is...

Stage: 3 Challenge Level: Challenge Level:1

Think of a number... follow the machine's instructions. I know what your number is! Can you explain how I know?

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Crossed Ends

Stage: 3 Challenge Level: Challenge Level:1

Crosses can be drawn on number grids of various sizes. What do you notice when you add opposite ends?

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Special Numbers

Stage: 3 Challenge Level: Challenge Level:1

My two digit number is special because adding the sum of its digits to the product of its digits gives me my original number. What could my number be?