Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes so that the three fractions have a product as close to 1 as possible. Source: Patrick Vennebush

Read More »# Grade 5

## Fractions: Sum of 2

Directions: Use the digits 0 to 9, at most one time each, to fill in the boxes so that the sum is equal to 2 wholes. Source: Joshua Nelson

Read More »## Subtracting Decimals to Make Them As Close to One as Possible

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to get the difference that is as close to 1 as possible. Source: Giselle Garcia

Read More »## Multiplication of large numbers

Directions: Use the digits 1 to 9, at most one time each, to create two numbers that have a product as close to 500,000 as possible. NOTE: You may use any length of factors as you would need. Ex 8 digit by 1 digit. 4 digit by 3 digit. Source: Miles Knight

Read More »## Order of Operations 5

Directions: Use the digits 0 to 9, exactly once each, so that each expression is simplified to a different odd number. Source: Molly Rawding

Read More »## Adding Mixed Numbers 3

Directions: Use the digits 1-9 each once to make a the largest possible sum. Source: Robert Kaplinsky and Ellen Metzger

Read More »## Adding Mixed Numbers 2

Directions: Use the digits 1-9 each once to make a true statement. Source: Ellen Metzger

Read More »## Sum of Fractions Closest to 10

Directions: Using the digits 1 through 9, at most one each time, fill in the boxes to make the statement true. Source: Nanette Johnson, based on Giselle Garcia’s problem

Read More »## Adding Fractions 5

Directions: Using the digits 1 through 9, at most one each time, fill in the boxes to make the statement true. Source: Giselle Garcia

Read More »## Evaluating a Decimal Expression

Directions: Using the whole numbers 0 through 9, no more than one time each, make the value of this expression is as large as possible. Challenge: Try to make this expression as close to 30 as possible (for an added challenge, try to make this expression as close to 30 as possible using just the digits 1 through 9). Source: …

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