Directions:  Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) quotient. Source:  Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make the smallest (or largest) sum. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) difference. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) product. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) product. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) sum. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) difference. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) quotient. Source: Robert Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, fill in the boxes to find: the steepest slope the flattest slope the greatest y-intercept the least y-intercept Source: Dane Ehlert

Directions: Draw and name a shape that has the following characteristics: Has 3 angles Has 4 angles Has 5 angles Has 6 angles Has two equal sides Has five equal sides Source: Bryan Anderson