Ravi writes: "My cousin learned guitar in one month. Guitar is easy for anyone to learn quickly." What makes his support insufficient for the claim?

"We counted cars on Oak Street every day for a year, and the daily totals were low. So Oak Street carries less traffic than Pine Street." What would have to be true for this reasoning to hold?

"The new bus route runs every ten minutes. Therefore the school should cancel its field trips." What is wrong with this reasoning?

"Our team started stretching in March. In April we won three games. Stretching made us win." What flaw does the last sentence show?

"Every student in Room 8 walks to school. I asked Mia and Jonah, and both walk." What would make this support enough for the claim?

"The school day should start later, because a later start is what the school day needs." Why is this reasoning unsound?

"Claim: The town library needs longer hours. Evidence: On one Saturday, 40 people waited outside before opening." Which addition would best fix the insufficiency?

"1: Our cafeteria wastes food. 2: We weighed the trash daily for a month and averaged 30 pounds. 3: Students hate the menu." Which claim has sufficient support here?

In a story, Elena notices a crack forming in the old dam but stays quiet, afraid the town will blame her for finding it. That night the dam gives way and the town must be evacuated. How does Elena's decision interact with the plot that follows?

Text 1: "The festival drew 500 people, a triumph for a first year." Text 2: "The festival drew 500 people, well short of the 900 seats." Text 2 disagrees with Text 1 about how many people came to the festival.

Text 1: "The skate park cost $80,000 and is used daily by dozens of teens." Text 2: "The skate park cost $80,000, money the town could have spent on the flooded ballfield." How do the authors use the $80,000 differently?

Text 1: "Rain fell for six days, so the fair moved indoors and still sold out." Text 2: "Rain fell for six days, so the fair moved indoors and lost every outdoor stall." What does Text 2 emphasize that Text 1 does not?

Text 1: "Attendance at town meetings fell to 30, proof that residents trust the council." Text 2: "Attendance fell to 30, proof that residents have given up on the council." How do the two authors differ?

Text 1: "The bakery hired four workers this year." Text 2: "The bakery hired four workers this year but lost six." Which interpretation of the hiring does Text 2 advance?

Text 1: "The lake is clean; July tests found no bacteria." Text 2: "The lake is unsafe; three July swimmers reported rashes." Which best describes the difference between them?

Text 1: "The team scored 60 goals, the most in its history." Text 2: "The team scored 60 goals and allowed 71." What does each author do with the 60 goals?

"In March the cafeteria moved lunch to 11:30. In April the lunch trash weighed half what it did before. The earlier lunch cut our waste." What must still be shown for that last sentence to hold?

"Claim: The town should repave Main Street. Evidence: Main Street has the oldest buildings in town." Why does this evidence fail the claim?

Text 1: "The concert raised $2,000 for the shelter." Text 2: "The concert raised $2,000, though renting the hall cost $1,500." What does Text 1 leave out that changes the picture?

"Two of the six coaches support the new schedule, so the coaches support the new schedule." What is wrong with this reasoning?