Tie for Two:
A & B both have 1’s and 2’s facts
A & D are the only ones with products that are less than 10
A & C both have square numbers
B & C have a product that is a multiple of 10
A & C have one product that is double another product in the same table

Thread for Three:
B, C, & D all have 8’s facts
A, C, & D have odd factors first in the top row
B, C, & D all have two-digit products
A, B, & D all have all

Fit All Four:
All have three even products and one odd product
All have (3) equations with at least one even factor and (1) equation with two odd factors
All have a product that is double another product in the puzzle:
• 2 x 3 is double 1 x 3
• 10 x 8 is double 5 x 8
• 4 x 8 is double 8 x 2
• 7 x 2 is double 7 x 1