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Tag Archives: DOK 3

Time Twister

Directions: Using the digits 0 to 9, at most one time each, create three different times on the clocks where the span of the times are between 12 noon and 7 pm. How can you make the difference between the times the greatest? closest times together? Source: Jason Kornoely

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Adding Products

Directions: Old Mother Hubbard is baking cookies so her cupboards won’t be bare anymore! She bakes 109 cookies in all. She bakes the cookies on 4 cookie sheets. Each cookie sheet is arranged into equal rows and columns, but not every cookie sheet has the same number of rows and columns. Using digits 0-9, at most once, how might the …

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Multiplying Fractions 4

Directions: Using the digits 1 to 9 at most once each time, fill the boxes to make the greatest possible product. Source: Marc DeArmond

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Prime Factorization 2

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to make the greatest possible product. Source: Robert Kaplinsky

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Greatest Difference of Two Decimal Numbers

Directions: Using the digits 0 to 9, at most one time each, fill in the boxes to create two numbers that both round to 5 and have the greatest (or least) possible difference with 5. Each digit may only be used once. Source: Mike Wiernicki

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Order of Operations 6

Directions: Using the digits 1 to 5, at most one time each, place a digit in each box to create an expression with the largest possible value. Source: Matt Donahue

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