ADDITION AND SUBTRACTION OF INTEGERS

1. Which of the following is NOT included to the rule of adding integers?

• A. + and + is sum.

• B. + and - is difference with the sign of the highest value.

• C. + and - is the difference with sign of the lowest value.

• D. - and - is sum with ' - ' sign.

2. When two negative integers are added together, what is the sign of resulted value?

• A. the sum of the two integers is with a negative sign.

• B. the sum of the two integers is with a positive sign.

• C. the sum of the two integers is with an even number.

• D. the sum of the two integers is with an odd number.

Answer explanation

3. What is an example of the rule for the subtraction of integers?

• A. - 2 - 3 = 5

• B. 3 - 2 = - 1

• C. 2 - (- 1) = - 3

• D. 2 - (- 3) = 5

4. What is an example of the addition of integers?

• A. - 10 + 9 = 1

• B. - 10 + ( - 9) = - 19

• C. 10 + ( - 9) = - 1

• D. - 10 + 9 = 19

5. Which of the following is NOT belong to the possibilities of the subtraction of integers?

• A. Subtraction between two positive numbers.

• B. Subtraction of an integer and its opposite is equal to 2.

• C. Subtraction between a positive number and a negative number.

• D. Subtraction between two negative numbers.

6. Which of the statement is true?

• A. The sum of two negative integers is a positive number.

• B. The sum of an integer and its opposite is always equal to one.

• C. The sum of an integer and its opposite is always zero.

• D. The sum of two positive integers is a negative number.

7. Which of the following is not true?

• A. Positive (with a lower value) + Negative (with a higher value) = Negative

• B. Positive + Positive = Positive

• C. Positive (with a higher value) + Negative (with a lower value) = Negative

• D. Negative + Negative = Negative

8. The following statement is the possibilities in the addition of integers EXCEPT:

• A. Addition between a positive number and a negative number.

• B. Addition between two position number.

• C. Addition of an integers and its opposite is 1.

• D. Addition between two negative number.

9. Whenever a positive number and negative number are added, the sign of the greater number will decide the operation and sign of the result. Is it true?

• A. Maybe

• B. Definitely true

• C. Definitely false

• D. None of the above

Answer explanation

10. Subtract - 19 from - 10.

• A. - 9

• B. 29

• C. - 29

• D. 9