Question 1: Calculate 4.3 × 6 using the column method. Write the final answer.

Answer: 25.8

Question 2: Calculate 0.75 × 8 using the column method. Show your working.

Answer: 6.00

Question 3: Calculate 1.2 × 9. Write down the step-by-step multiplication process.

Answer: 10.8

Question 4: Using the column method, multiply 3.4 by 7. Write the answer.

Answer: 23.8

Question 5: Calculate 2.5 × 4 using column multiplication. Show your working steps.

Answer: 10.0

Question 6: A box contains 2.3 meters of ribbon. How much ribbon is needed for 7 boxes? Calculate the total length.

Answer: 16.1 meters

Question 7: A bakery uses 0.45 kg of flour for each batch. How much flour is used for 12 batches? Show your working.

Answer: 5.4 kg

Question 8: Construct a rectangle on the grid with a length of 3.2 cm and a width of 4.5 cm. Calculate its area by multiplying the length and width.

Answer: 14.4 cm²

Question 9: A car travels 0.6 km every minute. How far does it travel in 45 minutes? Show your working.

Answer: 27 km

Question 10: A factory produces 1.25 tonnes of steel each day. How much steel is produced in 30 days? Show your working.

Answer: 37.5 tonnes

Question 11: Error Analysis: A student calculates 2.3 × 4 as 9.2, claiming they added the numbers instead of multiplying. Identify the mistake and explain the correct multiplication process.

Answer: The student added 2.3 + 4 = 6.3, not multiplied. Correct process: 2.3 × 4 = 9.2 by multiplying 2.3 and 4 using the column method.

Question 12: Challenge: A cylindrical tank has a radius of 2.5 meters and a height of 3.2 meters. Calculate the volume of the tank using the decimal multiplication method for the height and radius, assuming you need to multiply these dimensions for surface area calculations.

Answer: 8.0 (approximate for radius × height, actual volume formula involves π)