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## Prashant Saha ## Decimal Addition

Directions: Use the digits, 0 through 9, without repeats, to complete the equation below: Source: Shaun Errichiello

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## Fraction Division

Directions: Use the digits 0 through 9, without repeats, to solve the problem below. Source: Shaun Errichiello

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## Derivatives Power Rule 2

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to create a function such that at x = 2, the derivative (at that point) is closest to the value of 449. Source: Gregory L. Taylor, Ed.D.

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## Derivatives – Power Rule

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to create a function such that at x = 2, the derivative (at that point) would fall in the interval of {0, 48} Source: Gregory L. Taylor, Ed.D.

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## Equivalent Ratios 2

Directions: Using each of the digits 0-6 only once, make two equivalent ratios (also known as a proportion). Source: AnneMarie Untalan

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## Equivalent Expressions with Powers

Directions: Find values for a and b that will make the expressions equivalent, assuming that a does not equal b. Source: Owen Kaplinsky

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## Compound Inequalities 2

Directions: Using the digits 1 to 9, at most one time each, make two compound inequalities that are equivalent to 2 ≤ x < 4. Source: Robert Kaplinsky

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## Compound Inequalities 1

Directions: Using the digits 1 to 9, at most one time each, make a compound inequality that has the largest interval. Source: Robert Kaplinsky

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## Differences in Scientific Notation

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the largest (or smallest) absolute difference. Source: Marie Isaac

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## Combinations and Permutations

Directions: Using the digits 1 through 9, once each, fill in the blanks so that the statement is true. Source: Mark Alvaro and Kerri Swails

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