Interactive Subtraction on a Numberline

Subtraction questions with a dynamic numberline showing starting position, direction and final answer on numberline. Set the Start Value and Subtraction Value using the scroll bars. A question is created in the yellow box with the solution shown in the green box. A dynamic numberline is shown on the left and direction arrow can be shown by selecting the option boxes. Select green area to reveal solution. The starting and final answer positions are shown on the dynamic numberline.