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

Answer: 75%

Question 2: Express the fraction 7/20 as a percentage. Use the calculator method and show the steps.

Answer: 35%

Question 3: A calculator shows 0.45. Convert this decimal to a percentage. Write your answer.

Answer: 45%

Question 4: Using the calculator, convert 2/5 to a percentage. Show your calculation steps.

Answer: 40%

Question 5: Calculate 0.125 as a percentage using your calculator. Show your working.

Answer: 12.5%

Question 6: A student converts 3/8 to a percentage using their calculator and gets 37.5%. Is this correct? Explain your reasoning.

Answer: Yes, because 3/8 = 0.375; multiplying by 100 gives 37.5%

Question 7: A survey reports that 0.62 of people prefer a certain brand. Convert this to a percentage.

Answer: 62%

Question 8: Convert 5/8 to a percentage. Use your calculator and show the steps.

Answer: 62.5%

Question 9: A shop sells 0.15 of its items at a discount. Convert this to a percentage. Show your working.

Answer: 15%

Question 10: An experiment results in a value of 0.875. Convert this to a percentage using the calculator. Show your work.

Answer: 87.5%

Question 11: Identify and correct the mistake: A student converts 3/5 to 60% using their calculator. Is this correct? Explain.

Answer: No, because 3/5 = 0.6; multiplied by 100 gives 60%, so the conversion is correct.