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Why Do the Fewest Clicks Equal the Digit Sum on Place-Value Buttons?

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Large Numbers Around Us · Place value through button presses · 3:16

You'll learn: With place-value buttons, the fewest presses use each digit as a count of its button, so the minimum equals the digit sum.

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Why Do the Fewest Clicks Equal the Digit Sum on Place-Value Buttons?

3:16

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Why Do the Fewest Clicks Equal the Digit Sum on Place-Value Buttons?

You'll learn: With place-value buttons, the fewest presses use each digit as a count of its button, so the minimum equals the digit sum.

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Place value through button presses

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Make the Same Number with Different Button Presses
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Multiply by 5, 25 or 125 Using 10, 100 or 1000
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