Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to 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 …

Directions: Using the digits 0 to 9, at most one time each, fill in the boxes to find the lengths of the missing sides such that the missing leg’s length is as long as possible. Source: Robert Kaplinsky

Directions: Using the digits 0 to 9, at most one time each, fill in the boxes to find two pairs of possible lengths for the missing sides. Source: Robert Kaplinsky

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to create a fraction that is as close to 5/11 as possible. Source: Robert Kaplinsky

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to create two different fractions: one that is less than one half and one that is more than one half. Source: Robert Kaplinsky

Directions: Use the digits 1 to 9 at most one time each, place a digit in each box to make the latest possible time. Source: Robert Kaplinsky

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to make a time that is 4:37 pm. Source: Robert Kaplinsky

Directions: Make a graph that shows a possible result of 7 students’ favorite color with red being the most popular color. Source: Robert Kaplinsky

Directions: Make a graph that shows a possible result of 7 students’ favorite color. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, fill in the boxes to create a true number sentence with the greatest possible value. Source: Robert Kaplinsky