4.NBT.5 | Open Middle®

Biggest Product

December 20, 2016 13

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the biggest/smallest product. Source: Nanette Johnson

December 17, 2015 20

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

February 5, 2015 14

Directions: Using the digits 1 to 4 at most one time each, fill in the boxes to make the largest possible product. Source: Robert Kaplinsky