The top layer of a cuboid shape is 4 cubes long and 3 cubes wide. So far, 7 unit cubes have been placed in that layer. How many MORE unit cubes are needed to complete the top layer?
Show Worked Solution
Worked Solution
Step 1: Find the full capacity of the top layer: 4 × 3 = 12 unit cubes.
Step 2: Subtract the cubes already placed: 12 − 7 = 5.
So 5 more unit cubes are needed to complete the top layer.
Answer: 5 cm³
Correct answer: 5 cm³
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