Question 1: Convert the fraction 3/4 to a percentage using a calculator. Show your steps.

Answer: 75%

Question 2: What is 7/20 expressed as a percentage? Use your calculator to find the answer.

Answer: 35%

Question 3: Calculate the percentage equivalent of 2/5 using your calculator.

Answer: 40%

Question 4: Convert 9/16 to a percentage with calculator assistance.

Answer: 56.25%

Question 5: Express 1/8 as a percentage using your calculator.

Answer: 12.5%

Question 6: A student scores 18 out of 25 on a math test. Use your calculator to find the percentage score.

Answer: 72%

Question 7: If a recipe calls for 3/8 cup of sugar, what percentage of a cup is this? Show your calculation.

Answer: 37.5%

Question 8: Calculate 5/12 as a percentage using a calculator. Round to two decimal places.

Answer: 41.67%

Question 9: A survey found that 13/25 of people preferred a certain brand. What percentage is this? Show your work.

Answer: 52%

Question 10: Convert 11/40 to a percentage, rounded to two decimal places, using your calculator.

Answer: 27.50%

Question 11: Identify and correct the mistake in converting 5/8 to a percentage if a student wrote 62.5%.

Answer: The correct percentage is 62.5%, so the student was correct; no mistake.

Question 12: Challenge: Without converting directly, estimate the percentage for 7/13 using calculator approximation and justify your reasoning.

Answer: Approximately 53.85%; since 7/13 is slightly more than 1/2 (50%), the percentage is just above 50%.