Math Filters Cut Sums Pick 4 The Cut Sums filter is a so called "math filter". Math filters are created through calculations. You get the sum of a number by adding up the digits within that number. The cut sum is the last digit of that sum. To show you how to calculate the Cut Sums filter for a Pick 4 number here a step by step example.
Step 1: Divide the 1800 into separate digits: 1800 => 1 8 0 0 Step 2: Add up the digits: 1 + 8 + 0 + 0 = 9 Step 3: Select only the last digit: 9 = 9
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