Software Screenshot:
AddOrSubtract is a simple math's tutor to teach simple mathematics. Do as many math quiz questions as you want to. Specify the top and bottom number ranges to increase or decrease difficulty. AddOrSubtract keeps a running score of how many questions has been asked, the number and percentage of the correct answers. AddOrSubtract also keeps a history list of all the current questions asked, your child's answers and the correct answers so that you can see at the end the questions your child struggles with.
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