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Number Pyramids: Difference between revisions
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|title= Number Pyramids | |title= Number Pyramids | ||
|tagline= Try entering different sets of numbers in the number pyramids. How does the total at the top change? | |tagline= Try entering different sets of numbers in the number pyramids. How does the total at the top change? | ||
|image= | |image=2281.jpg | ||
|content= | |content= | ||
|strategy= | |strategy= | ||
