Integers Test Quiz Questions And Answers For 8th Grade
Reviewed by Janaisa Harris
Janaisa Harris, BA-Mathematics|
Mathematics Expert
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Ms. Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher. She is now broadening her educational impact by engaging in curriculum mapping for her county. This endeavor enriches her understanding of educational strategies and their implementation. With a strong commitment to quality education, she actively participates in the review process of educational quizzes, ensuring accuracy and relevance to the curriculum.
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Can you perform well and score high with these integers test quiz questions and answers for 8th-grade students? This test will grade your ability to add, subtract, multiply, and divide integers. The quiz is not that difficult. Especially if you are in 8th grade or above, so, let's see how well you are going to do with these questions. Let us just go for it. Best of luck to you!
Questions and Answers
1.
2-(-3)
Explanation The given expression is 2-(-3)/5. To solve this, we first need to simplify the expression within the parentheses. The negative sign before the 3 means that we need to change the sign of 3, so -(-3) becomes 3. Now the expression becomes 2-3/5. We then perform the division, which gives us 2-0.6. Finally, we subtract 0.6 from 2 to get the answer 1.4.
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2.
-2-(-3)
Explanation The expression -2-(-3) can be simplified as -2 + 3, which equals 1.
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3.
2-3
Explanation The given sequence of numbers is 2, 3, -1. The pattern in the sequence is that each number is obtained by subtracting 1 from the previous number. Therefore, the next number in the sequence would be obtained by subtracting 1 from -1, which gives us -2. However, since the options provided do not include -2, the correct answer is -1.
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4.
3-5
5.
2-(-6)
Explanation The given expression is 2-(-6). When we subtract a negative number, it is equivalent to adding the positive value of that number. So, -(-6) becomes +6. Therefore, the expression simplifies to 2+6, which equals 8.
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6.
11-(-15)
Explanation The given expression is 11 minus negative 15. When subtracting a negative number, it is equivalent to adding the positive value. Therefore, 11 minus negative 15 is the same as 11 plus 15, which equals 26.
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7.
-7-(-2)
Explanation The given expression, -7-(-2), can be simplified by applying the rule of subtracting a negative number, which is equivalent to adding a positive number. Therefore, -7-(-2) becomes -7+2, resulting in -5.
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8.
-3-(-8)
Explanation The expression -3-(-8) can be simplified by applying the rule of subtracting a negative number, which is equivalent to adding the positive number. So, -3-(-8) becomes -3+8. When we add -3 and 8, we get 5. Therefore, the answer is 5.
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9.
-20-(-10)
Explanation The expression -20-(-10) can be simplified by removing the parentheses and applying the rule of subtracting a negative number, which is equivalent to adding the positive number. Therefore, -20-(-10) becomes -20+10, resulting in -10.
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10.
14-(-3)
Explanation The given expression is 14 minus negative 3. Subtracting a negative number is the same as adding its positive counterpart. So, 14 minus negative 3 is equivalent to 14 plus 3, which equals 17.
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11.
-3+(-9)
Explanation The given expression is -3 + (-9). When we add a negative number, it is equivalent to subtracting that number. So, -3 + (-9) can be rewritten as -3 - 9, which equals -12.
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12.
7+(-10)
Explanation The given expression is 7+(-10), which means adding 7 and -10 together. When we add a positive number and a negative number, we subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value. In this case, the absolute value of -10 is larger than 7, so we subtract 7 from 10 and keep the negative sign, resulting in -3. Therefore, the answer is -3.
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13.
-6-9
Explanation The given expression is -6-9. When we subtract 9 from -6, we get -15. Therefore, the answer is -15.
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14.
-10/-2
Explanation The given expression -10/-2 can be simplified by dividing -10 by -2, which gives a result of 5. Therefore, the answer to the expression is 5.
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15.
(-4)(7)
Explanation The given expression (-4)(7) represents the product of -4 and 7. When we multiply -4 by 7, we get -28 as the result. Therefore, the answer is -28.
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16.
36/-4
Explanation The given expression, 36/-4, can be simplified by dividing 36 by -4. When we divide 36 by -4, we get a quotient of -9. Therefore, the correct answer is -9.
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17.
-45/-5
Explanation The given expression is -45 divided by -5. When dividing two negative numbers, the result is always positive. Therefore, -45 divided by -5 equals 9.
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18.
(-11)(8)
Explanation The given expression (-11)(8) represents the product of -11 and 8. When two negative numbers are multiplied, the result is always positive. Therefore, the product of -11 and 8 is -88.
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19.
-48/6
Explanation The given expression is -48/6, which can be simplified by dividing -48 by 6. -48 divided by 6 equals -8. Therefore, the answer is -8.
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20.
15(-2)
Explanation The given expression, 15(-2), can be simplified by multiplying 15 and -2. The product of 15 and -2 is -30. Therefore, the correct answer is -30.
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21.
-3(12)
Explanation The given expression is -3 multiplied by 12. When we multiply -3 by 12, we get -36 as the result. Therefore, the answer to the expression -3(12) is -36.
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22.
-81/-9
Explanation The given expression is -81 divided by -9. When we divide a negative number by a negative number, the result is positive. Therefore, -81 divided by -9 equals 9.
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23.
-36/4
Explanation The expression -36/4 simplifies to -9. When dividing a negative number by a positive number, the result is always negative. In this case, -36 divided by 4 equals -9.
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24.
(-5)(-7)
Explanation The given expression (-5)(-7) represents the product of -5 and -7. When two negative numbers are multiplied together, the result is always positive. Therefore, the product of -5 and -7 is 35.
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25.
(-9)(6)
Explanation The given expression is the product of -9 and 6. When we multiply a negative number (-9) by a positive number (6), the result is always negative. Therefore, the product of -9 and 6 is -54.
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Janaisa Harris |BA-Mathematics|
Mathematics Expert
Ms. Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher. She is now broadening her educational impact by engaging in curriculum mapping for her county. This endeavor enriches her understanding of educational strategies and their implementation. With a strong commitment to quality education, she actively participates in the review process of educational quizzes, ensuring accuracy and relevance to the curriculum.
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