Question 1: Calculate 0.6 × 4 using the Grid Method. Show the grid setup and multiplication process.

Answer: 2.4

Question 2: Multiply 1.2 by 3 using the Grid Method. Provide detailed steps.

Answer: 3.6

Question 3: Using the Grid Method, find the product of 0.75 and 5.

Answer: 3.75

Question 1: A gardener multiplies 0.45 kg of fertilizer equally into 6 pots. Use the Grid Method to find how much fertilizer each pot receives. Explain your process.

Answer: 0.075 kg per pot

Question 2: A factory produces 0.8 meters of fabric daily. Calculate the weekly total using the Grid Method. Show all steps and reasoning.

Answer: 5.6 meters

Question 1: A recipe calls for 0.3 liters of vanilla extract per batch. If a chef makes 8 batches, how much vanilla is needed? Use the Grid Method and explain your steps.

Answer: 2.4 liters

Question 1: Calculate 0.87 × 9 using the Grid Method. Show the grid and detailed steps.

Answer: 7.83

Question 2: A painter needs 0.55 liters of paint for each wall. How much paint is needed for 10 walls? Use the Grid Method and justify your answer.

Answer: 5.5 liters

Question 1: Student's work: To multiply 0.4 by 3, they set up a grid with 4 (from 0.4) and 3, then multiply 4 × 3 = 12, and write 12 as the answer. Identify the mistake, correct it, and explain.

Answer: They forgot to account for the decimal place in 0.4; the product is 1.2, not 12.

Question 2: Another student's work: 0.75 × 5 was calculated by multiplying 75 × 5 = 375, then placing the decimal two places from the right to get 3.75. Is this correct? If not, identify the error and correct the work.

Answer: Yes, the process is correct. Multiplying 75 by 5 gives 375; placing the decimal two places from the right results in 3.75, which is correct.