Grade 7

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make the equations true. Source: Michele Dijkstra

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to find the maximum possible value of the expression given. Source: Jacob Johanssen

Directions: The three triangles on the line are similar. Using the digits 0 to 9, at most one time each, place a digit in each box for the legs of the right triangles. Source: Jay Sydow

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to complete the ordered pairs for a proportional relationship with the greatest constant of proportionality possible. Source: Jenny Wilcox

Directions: Using the digits 1 to 7, at most one time each, place a digit in each box to create an inequality that match the solution of the inequality on the number line. Source: Jay Sydow

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

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make a triangle with side lengths that give the corresponding area. Source: Owen Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to find the second greatest solution. Source: Neil Hamilton

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to create supplementary and complementary angles where the measures of each pair of angles are as close together as possible. Source: Brian Anderson with Robert Kaplinsky