To multiply negative and positive numbers together, multiply the numbers as usual, and then add a negative sign to the answer. This is because the product of a negative and a positive number multiplied together is always... More » Math Algebra

If one subtracts a positive number from a negative number, the process is still subtraction. For example, -3 minus 7 is -10. On the other hand, subtracting a negative number from a positive number is equivalent to additi... More » Math Algebra

The result of a adding a positive number and a negative can either be a negative number or a positive number, depending on the sign of the biggest number. If the sign of the larger number is negative, then the result is ... More » Math Arithmetic
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A turnaround fact in math is an addition or multiplication fact for which, if the addends or factors are reversed, the answer is still the same. For example, two plus three equals five, and three plus two equals five. On... More » Math Algebra

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