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## Fraction Multiplication Equal to 1

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

## 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

## 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

## 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

## Order of Operations 5

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes so that each expression is simplified to a different odd number. Source: Molly Rawding

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

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

## 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