Grade 5

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make a sum with the greatest possible value. Source: Owen Kaplinsky and Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: Owen Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: Owen Kaplinsky

Directions: Using the digits 1 to 9, exactly two times each, place a digit in each box to create a nine digit number and its corresponding place values. Source: Owen Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: Owen Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: Owen Kaplinsky

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

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box so that the sum is equal to 2 wholes. Source: Joshua Nelson

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to get the difference that is as close to 1 as possible. Source: Giselle Garcia

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