One Atta Time Flash Cards Distance Learning Create New Sheet Customize Problems Select a Worksheet > Version 1 Version 2 Version 3 Version 4 Version 5 Version 6 Version 7 Version 8 Version 9 Version 10 Grab 'em All Pattern Rule Figure out what operation is happening in a number pattern (add, subtract, multiply, or divide).Explain the pattern rule in simple words, like “add 3 each time.”Check that a rule works for every step in the pattern, not just one pair of numbers.