Lots of people struggle with the mental arithmetic of negative numbers. What is -4 minus -6? This ten question quiz will give you varying addition, subtraction, multiplication and division problems to answer. The numbers are kept small, and division problems will always result in a whole number answer. The quiz is not timed, and I will also repeat each question once to give you more time, so take a moment to think about the correct answer then reply slowly and carefully. To reply with a negative number answer you might say 'minus five' or 'negative five'. For positive number answers, you might say 'five' or 'plus five' or 'positive five'. Say 'Test me on anything' to be drilled on all operations, or, for example, 'test me on division' to just focus on division problems. Say 'Help' for more guidance.
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