Question 1: Calculate 750 ÷ 100 and write the answer in decimal form.

Answer: 7.5

Question 2: Express 0.36 as a percentage and then convert back to a decimal using ÷100.

Answer: 0.0036

Question 3: A price is increased by 15% to £115. Find the original price by dividing the increase amount by 100 and adjusting accordingly.

Answer: 100

Question 4: Simplify: 480 ÷ 100.

Answer: 4.8

Question 1: Convert 0.85 to a percentage and then divide by 100 to find the decimal form.

Answer: 0.0085

Question 2: A student states that dividing by 100 always results in a number less than 1. Is this true? Explain your reasoning.

Answer: No, because dividing 100 by 100 gives 1, which is not less than 1.

Question 3: Calculate 1250 ÷ 100.

Answer: 12.5

Question 4: A discount of 20% is applied to a £50 item. Find the amount after applying ÷100 to the percentage to compute the discount.

Answer: 10

Question 5: Express 0.005 as a percentage, then divide by 100.

Answer: 0.00005

Question 1: Incorrect calculation: 250 ÷ 100 = 2.5 (incorrectly written as 25). Identify and correct the mistake.

Answer: Dividing 250 by 100 gives 2.5, not 25. Correct answer: 2.5.

Question 2: A student multiplies a number by 100 instead of dividing. Example: 4 × 100 = 400, instead of 4 ÷ 100. Explain why this is incorrect for ÷100.

Answer: Multiplying by 100 increases the number; dividing by 100 decreases it. The correct operation for ÷100 is division.

Question 1: A price of €150 increases by 12.5%. Find the original price by dividing the increase percentage by 100 and adjusting accordingly.

Answer: 133.33

Question 2: Construct a triangle with side lengths (in cm) of 3, 4, and 5. Using the grid, scale all sides by dividing each length by 100 and draw the scaled triangle.

Answer: Sides scaled to 0.03, 0.04, 0.05 in grid units.

Question 1: Divide 9800 by 100 and state the result.

Answer: 98

Question 2: Convert 0.009 to a percentage and then to a decimal after dividing by 100.

Answer: 0.00009