Dynamically Created Subtraction Worksheets - Math-Aids.Com These subtraction worksheets will use 1/2's, 1/4's, 1/8's. 1/16's and there is an option to select 1/32's and 1/64's. These subtraction worksheets are great for practicing subtracting with doubles or near doubles. These subtraction worksheets will produce subtraction facts where the answers are between one and ten.