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Elementary School 35 Mathematics
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Demonstrations 1  20 of 68
Illustrating Arithmetic with Graphic Arrays
Generating Arithmetic Expressions
Adding Fractions
Fractions
Abacus
Fundamental Law of Fractions
Unsolved Conjectures about Egyptian Fractions
Expression Machine
Multiplication Made Easy
Mixed and Improper Fractions
Repeating Decimals
Cone Placed on a Sphere
Pie Chart with Fractions
Factoring an Integer
Fraction Blocks
Do Not Divide by Zero
Simple Bar Chart
Pie Charts
SixBox Game of Chance
An Example of Subtraction of Negative Numbers
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