This foundation builder 🌟 worksheet contains 20 beginner-level statement-assumption problems. Worksheet 1 of 30 focuses on implicit assumptions. Practice implicit assumptions, hidden premises, unstated beliefs with our step-by-step solutions. Difficulty: foundational concepts and basic patterns. Recommended for entry-level learners.
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Worksheet 1 of 30 (3% complete)
Question 1
Statement: Public transportation reduces traffic congestion in major cities.
Which of the following is an assumption made in the statement?
The statement assumes that public systems are efficient, which is necessary for the argument to be valid.
Question 2
Argument: To be president of the United States, a person must be at least 35 years old, a natural-born citizen, and a resident for 14 years.
Assumption: 'Meeting all three conditions is sufficient for presidency'
Is this assumption necessary, sufficient, both, or neither for the argument's conclusion?
Not necessarily true: You also need to win the election - these are necessary but not sufficient
Question 3
Argument: To be president of the United States, a person must be at least 35 years old, a natural-born citizen, and a resident for 14 years.
Assumption: 'Anyone over 35 can be president'
Is this assumption necessary, sufficient, both, or neither for the argument's conclusion?
False: Ignores citizenship and residency requirements
Question 4
Statement: Students' test scores improved after the new teaching method was introduced, confirming its effectiveness.
Which assumption is most problematic in this causal argument?
The assumption 'The teaching method caused the improvement' is problematic because it establishes causation without ruling out alternative explanations or confounding variables.
Question 5
Statement: The restaurant is expensive because it's located in the city center.
Evaluate this assumption: 'City center locations have higher operational costs'
Is this assumption valid?
Valid - location affects rent and operational expenses
Question 6
Statement: To solve unemployment, the government should provide free technical training programs and guarantee job placement for all participants.
Which assumption is most fundamental to this argument?
While the statement makes multiple assumptions, 'Unemployment is primarily due to skill gaps' is the most fundamental because without it, the entire premise of the solution becomes questionable.
Question 7
Statement: Crime rates decreased after installing more street lights, proving that better lighting reduces crime.
Which assumption is most problematic in this causal argument?
The assumption 'Correlation implies causation' is problematic because it establishes causation without ruling out alternative explanations or confounding variables.
Question 8
Argument: If you want to lose weight, you should exercise regularly. However, exercise alone isn't enough; you also need a healthy diet.
Assumption: 'Regular exercise is necessary for weight loss'
Is this assumption necessary, sufficient, both, or neither for the argument's conclusion?
Necessary: The argument states exercise is part of what's needed
Question 9
Statement: This candidate has 20 years of experience, so they're the best choice for the position.
What hidden premise must be true for this argument to be valid?
The argument implicitly assumes that experience duration directly correlates with job performance, which may not always be true.
Question 10
Statement: This candidate has 20 years of experience, so they're the best choice for the position.
What hidden premise must be true for this argument to be valid?
The argument implicitly assumes that experience duration directly correlates with job performance, which may not always be true.
Question 11
Statement: Public transportation reduces traffic congestion in major cities.
Which of the following is an assumption made in the statement?
The statement assumes that people will use public transportation, which is necessary for the argument to be valid.
Question 12
Statement: This candidate has 20 years of experience, so they're the best choice for the position.
What hidden premise must be true for this argument to be valid?
The argument implicitly assumes that experience duration directly correlates with job performance, which may not always be true.
Question 13
Statement: The new drug should be approved for public use since clinical trials showed 95% effectiveness.
What is the primary assumption underlying this statement?
The statement implicitly assumes that clinical trials represent real-world conditions, which is crucial for the conclusion to be valid.
Question 14
Statement: The company's profits will increase if they expand to international markets.
What is the primary assumption underlying this statement?
The statement implicitly assumes that international demand exists for their products, which is crucial for the conclusion to be valid.
Question 15
Argument: To be president of the United States, a person must be at least 35 years old, a natural-born citizen, and a resident for 14 years.
Assumption: 'Meeting all three conditions is sufficient for presidency'
Is this assumption necessary, sufficient, both, or neither for the argument's conclusion?
Not necessarily true: You also need to win the election - these are necessary but not sufficient
Question 16
Statement: Since it rained yesterday, the cricket match must have been cancelled.
Evaluate this assumption: 'Rain always leads to cricket match cancellation'
Is this assumption valid?
Invalid - matches can continue in light rain
Question 17
Statement: Students perform better when class sizes are reduced from 30 to 15 students.
What is the primary assumption underlying this statement?
The statement implicitly assumes that teacher attention improves with fewer students, which is crucial for the conclusion to be valid.
Question 18
Statement: Nuclear energy is safer than coal power, therefore we should build more nuclear plants.
What hidden premise must be true for this argument to be valid?
The argument implicitly assumes that safety is the primary criterion for energy policy decisions, which may not always be true.
Question 19
Statement: The stock market rose today, indicating economic recovery is underway.
What hidden premise must be true for this argument to be valid?
The argument implicitly assumes that stock market performance reflects overall economic health, which may not always be true.
Question 20
Argument: If you want to lose weight, you should exercise regularly. However, exercise alone isn't enough; you also need a healthy diet.
Assumption: 'Exercise and diet together are sufficient for weight loss'
Is this assumption necessary, sufficient, both, or neither for the argument's conclusion?
Sufficient: The argument implies that doing both will achieve weight loss
🚀 Begin your Statement-Assumption mastery with this introductory worksheet!