Question 1: Calculate 45 ÷ 100 and write the answer as a decimal.

Answer: 0.45

Question 2: What is 7.8 divided by 100? Express your answer as a decimal.

Answer: 0.078

Question 3: Divide 123 by 100. What is the result?

Answer: 1.23

Question 4: Express 56% as a decimal by dividing by 100.

Answer: 0.56

Question 5: Convert 0.89 to a percentage and then divide by 100 to find the decimal equivalent. What is the final decimal?

Answer: 0.0089

Question 6: A price is increased by 5%. What is the decimal form of this increase when dividing by 100?

Answer: 0.05

Question 7: If a number is divided by 100 and the result is 0.75, what was the original number?

Answer: 75

Question 8: A student mistakenly multiplies a number by 100 instead of dividing. If the correct answer should have been 0.09, what did the student get?

Answer: 9

Question 9: Plot the graph of y=2x on the grid provided for x values from 0 to 10. (Draw a straight line.)

Answer: Students will draw the line y=2x on the grid.

Question 10: Construct a triangle with sides measuring 3, 4, and 5 units using the grid. Label the sides clearly.

Answer: Students will draw a right-angled triangle with the specified sides.

Question 11: A store offers a 20% discount. Write the decimal equivalent of 20% by dividing by 100, then calculate the price if an item costs $50 before discount.

Answer: 0.20 and new price $40

Question 12: Identify the common mistake: A student calculates 23 ÷ 100 as 2.3. Explain what the mistake is and correct it.

Answer: They moved the decimal point incorrectly; correct answer is 0.23.