Tag Archives: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box and make a positive and a negative solution. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most two times each, place a digit in each box to make an equation with no solutions. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make a result that has the greatest value possible. Source: 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: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to create an equation where x has the greatest possible value. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to create two equations: one where x has a positive value and one where x has a negative value. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make two fractions that have a quotient that is as close to 4/11 as possible. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to find the function’s greatest possible value. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box and make two true number sentences. Source: Robert Kaplinsky

Directions: Using the integers -9 to 9, at most one time each, place an integer in each box to make a real number product with the greatest value. Source: Robert Kaplinsky