Expressions And Integers Test! Math Trivia Quiz
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How well do you know expressions and integers? Would you be able to ACE this quiz? An integer is defined as a number that can be written out without a fractional component. An expression is a fixed combination of well-constructed symbols according to rules that depend on the context, and you can use symbols, figures, or equations. This quiz is all about expressions and integers. You will do great on this quiz.
- 1.
Sara and Kim together have 15 pencils. Sara has 9 pencils. Mark and Kim together have 10 pencils. How many pencils does Mark have?
- A.
5
- B.
34
- C.
8
- D.
4
Correct Answer
D. 4Explanation
Sara and Kim have a total of 15 pencils, and Sara has 9 pencils. This means that Kim must have 15 - 9 = 6 pencils. Mark and Kim together have 10 pencils, so Mark must have 10 - 6 = 4 pencils.Rate this question:
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- 2.
Steve has x dollars in his bank account. He deposits $10 each week for 3 weeks. His bank balance now is $70. What is x? ( How much money did he have to start?)
- A.
$60
- B.
$20
- C.
$40
- D.
$50
Correct Answer
C. $40Explanation
Since Steve deposits $10 each week for 3 weeks, the total amount he deposits is $10 * 3 = $30. If his bank balance now is $70, then the initial amount he had in his bank account is $70 - $30 = $40. Therefore, x, which represents the initial amount of money Steve had, is $40.Rate this question:
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- 3.
It is 19 degrees in Alaska at 9PM. The temperature drops 23 degrees overnight but then rises 9 degrees by 9AM the following day. What is the temperature at 9AM?
- A.
5 degrees
- B.
-5 degrees
- C.
13 degrees
- D.
-1 degree
Correct Answer
A. 5 degreesExplanation
The initial temperature at 9PM is 19 degrees. Overnight, the temperature drops 23 degrees, so it becomes -4 degrees. However, by 9AM the following day, the temperature rises 9 degrees, bringing it back up to 5 degrees.Rate this question:
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- 4.
Lisa is in a submarine 87 feet below sea level. Barb is hiking up a hill and is 125 feet above sea level. Greg snorkeling 5 feet under water. List their elevations in order least to greatest.
- A.
5 , 87 , 125
- B.
125 , 87 , 5
- C.
- 87 , -5 , 125
- D.
-5 , -87 , 125
Correct Answer
C. - 87 , -5 , 125Explanation
Lisa is in a submarine 87 feet below sea level, so her elevation is -87. Greg is snorkeling 5 feet under water, so his elevation is -5. Barb is hiking up a hill and is 125 feet above sea level, so her elevation is 125. Therefore, the elevations in order from least to greatest are -87, -5, 125.Rate this question:
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- 5.
Find the value of n in the equation below. 2n + 10 = 20 n = _____
- A.
10
- B.
5
- C.
8
- D.
20
Correct Answer
B. 5Explanation
The equation is 2n + 10 = 20. To find the value of n, we need to isolate n on one side of the equation. We can do this by subtracting 10 from both sides of the equation. This gives us 2n = 10. To solve for n, we divide both sides of the equation by 2. This gives us n = 5. Therefore, the value of n in the equation is 5.Rate this question:
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- 6.
Find the value of n in the equation below. 15 + n + 20 = 45 n = _______
- A.
10
- B.
5
- C.
12
- D.
8
Correct Answer
A. 10Explanation
In the given equation, 15 + n + 20 = 45, we need to find the value of n. To solve for n, we can start by simplifying the equation. Combining like terms, we have 35 + n = 45. Next, we can isolate the variable by subtracting 35 from both sides of the equation, giving us n = 10. Therefore, the value of n is 10.Rate this question:
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- 7.
Find the value of n in the equation below. 12 x 23 x 9 x n x 56 = 0 n = _____
- A.
10
- B.
5
- C.
0
- D.
1
Correct Answer
C. 0Explanation
The equation is a multiplication equation where the product of all the numbers is equal to 0. In order for the product to be 0, at least one of the numbers must be 0. Therefore, the value of n that makes the equation true is 0.Rate this question:
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- 8.
Find the value of n in each equation below. 3n + 5 = 14 n= ____________
- A.
1
- B.
3
- C.
4
- D.
2
Correct Answer
B. 3Explanation
The equation is 3n + 5 = 14. To solve for n, we need to isolate the variable on one side of the equation. Subtracting 5 from both sides, we get 3n = 9. Dividing both sides by 3, we find that n = 3.Rate this question:
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- 9.
Find the next two numbers in the pattern: -8 -6 -4 -2 ___ ___
- A.
-1 , 1
- B.
-1 , 0
- C.
0 , 2
- D.
0 , 1
Correct Answer
C. 0 , 2Explanation
The pattern in the given sequence is that each number is increasing by 2. Starting from -8, the next number is -6, then -4, and so on. Therefore, the next two numbers in the pattern would be 0 and 2, as they follow the same pattern of increasing by 2.Rate this question:
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- 10.
Find the next two numbers in this pattern: -15 -14 -12 -11 -9 ____ _____
- A.
-7 , -5
- B.
-8 , -6
- C.
-7 , -6
- D.
-8 , -7
Correct Answer
B. -8 , -6Explanation
The pattern in the given sequence is that each number is increasing by 1 and then decreasing by 2. Therefore, the next two numbers in the pattern would be -8 and -6.Rate this question:
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- 11.
Find the next two numbers in this pattern: 25 20 21 16 17 ____ ____
- A.
12 , 13
- B.
13 , 14
- C.
18 , 19
- D.
21 , 20
Correct Answer
A. 12 , 13 -
- 12.
Find the next two numbers in this pattern: 100 85 70 55 _____ _____
- A.
45 , 30
- B.
50 , 40
- C.
40 , 30
- D.
40 , 25
Correct Answer
D. 40 , 25Explanation
The pattern in the given sequence is that each number is decreasing by 15. Starting from 100, each subsequent number is obtained by subtracting 15 from the previous number. Therefore, the next two numbers in the pattern would be 40 and 25, obtained by subtracting 15 from 55 and 40 respectively.Rate this question:
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- 13.
Find the next two numbers in this pattern:-20 -15 -10 -5 ___ ___
- A.
5 , 10
- B.
0 , 5
- C.
0 , 10
- D.
-10 , -5
Correct Answer
B. 0 , 5Explanation
The pattern in the given sequence is that each number is increasing by 5. Therefore, the next two numbers in the pattern would be 0 and 5, as they follow the same increasing pattern.Rate this question:
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- 14.
Brett got on an elevator and rode up 10 floors. Next he rode down 7 floors. After that he went up 4 floors. Finally he went down 6 floors. When he got off the elevator he was on the 11th floor. What floor was he on when he started his ride?
- A.
8th floor
- B.
9th floor
- C.
10th floor
- D.
12th floor
Correct Answer
C. 10th floorExplanation
If Brett started on the 10th floor and went up 10 floors, he would be on the 20th floor. Then, if he went down 7 floors, he would be on the 13th floor. If he went up 4 floors from there, he would be on the 17th floor. Finally, if he went down 6 floors, he would be on the 11th floor. Therefore, Brett must have started on the 10th floor.Rate this question:
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- 15.
A good way to check and see if you have correctly found the value of an unknown number in an expression is to plug your answer into the expression and see if it is true.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
One way to verify if you have correctly determined the value of an unknown number in an expression is by substituting your answer into the expression and checking if it holds true. This method allows you to confirm the accuracy of your solution and ensure that the value you have found satisfies the given expression.Rate this question:
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Mar 21, 2023Quiz Edited by
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Mar 07, 2011Quiz Created by
Margecrump
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