Addition: Single Digit, Horizontal
Each problem will have one addend from the selections on the left and one addend from the selections on the right. If there are no addends selected in one of the lists, the numbers 0 through 9 will be used.
Each problem will have one addend from the selections on the left and one addend from the selections on the right. If there are no addends selected in one of the lists, the numbers 0 through 9 will be used.