Podcast
Questions and Answers
Quale es le summa de -5 e +8?
Quale es le summa de -5 e +8?
Quale es le differentia de +7 e -3?
Quale es le differentia de +7 e -3?
Study Notes
Multiple-Choice Questions - Adding and Subtracting Integers
- Question Type: Multiple Choice
- Assessment Level: Evaluating (requires application and analysis beyond simple recall)
- Topic: Adding and Subtracting Integers
Question Examples
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Question 1: A company's stock price dropped by 5 points on Monday and then rose by 12 points on Tuesday. What is the net change in the stock price over the two days?
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a) -7 points
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b) 7 points
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c) 17 points
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d) -17 points
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Question 2: If you are at -8 on a number line and you move 15 places to the right, what integer do you end up at?
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a) -7
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b) 7
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c) 23
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d) -23
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Question 3: A football team gained 7 yards on one play and then lost 12 yards on the next. What is the overall change in yardage?
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a) -5 yards
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b) -19 yards
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c) 19 yards
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d) 5 yards
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Question 4: To find the difference between -10 and 5, you would perform what operation?
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a) -10+5
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b) -10-5
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c) 5+(-10)
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d) 10+(-5)
Evaluating Questions Considerations
- Analysis: Questions should require students to analyze the situation presented, not just apply a formula.
- Problem Solving: Focus on problems where students need to determine the appropriate operation to use.
- Context: Include real-world scenarios involving integers to increase relevance.
- Complex Calculations: Create questions where students need to combine multiple operations involving integers.
- Reasoning: Students need to demonstrate the process they used to arrive at the answer, not just provide the answer itself.
Example of an "Evaluating" Question, with Reasoning and Solution Process
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Question: Sarah owes her friend $25. She then earned $15 doing chores. After borrowing $10 from her brother, what is Sarah's net financial status? Justify your response by explaining your steps.
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Solution Process:
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First, determine the starting debt: $25
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Then, add the earnings ($25 + $15 = $10)
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Next, add the additional debt: $10 - $10 = $0
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Finally, determine the balance: $0
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Answer: Sarah's net financial status is zero dollars.
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Justification: The question requires more than just adding or subtracting. The scenario includes multiple transactions. Students are evaluated not just for the answer but for comprehending the scenario to arrive at it.
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Distinguishing Evaluating from Lower Levels: "Apply" or "Analyze" problems can evaluate whether the student understands the concepts deeply versus just recalling steps. "Evaluating" goes a step further, requiring reasoned solutions demonstrated in multiple steps.
Essential Skills for Adding and Subtracting Integers:
- Knowing the rules of integer addition and subtraction
- Understanding the number line and how it relates to integer operations.
- Recognizing the difference between absolute value & an integer.
- Understanding the concept of opposites or additive inverses.
- Applying order of operations (PEMDAS) when needed.
- Determining the sign of the answer.
- Using strategies like adding positive then subtracting the negative.
- Applying reasoning and logical thinking to solve real-world problems.
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Description
Este quiz testa tu comprensione del addition e subtraction de integers. Usa questions multiple choice pro evaluar tu habilidades in este area. Supera le challenges e verifica tu cognoscentia in matematicas basicas.