Mark Zegarelli - Basic Math & Pre-Algebra All-in-One For Dummies (+ Chapter Quizzes Online)

The chapter quiz in the next section tests you on your skills working with negative numbers.

In the 26 quiz questions that follow, evaluate by performing the operations as indicated.

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1 −1.Find the difference; the answer is negative because 9 is farther from 0 than 8 on the number line: .

2 6.Drop the negative sign: .

3 −4.Find the difference; the answer is negative because 6 is farther from 0 than 2 on the number line: .

4 −15.The signs are the same, so drop the negative signs and find the sum. The answer is negative: .

5 30.Drop the negative signs and multiply. The product is positive, because the signs are the same: .

6 −5.Drop the negative sign and divide. The answer is negative, because the signs are different: .

7 −1.Change the subtraction to addition and the negative 6 to +6. Then find the difference. The answer is negative, because the newly adjusted signs are different and 7 is farther from 0 than 6 on the number line: .

8 4.Find the difference. The result is positive, so applying the absolute value keeps it a positive answer: .

9 10.Find the difference, because the signs are different. The answer is positive, because 19 is farther from 0 on the number line: .

10 5.Drop the negative signs and divide. The answer is positive, because the signs are the same: .

11 0.Change the subtraction to addition and the second −1 to +1. Then find the difference: .