Riya wants to cut this cube into 27 identical smaller cubes with straight cuts, without moving the pieces. The orange lines show the cuts she has already made. What is the least number of further cuts she needs?

Question

Accepted Answer

4. 27 identical cubes means 3 × 3 × 3: each of the three directions needs 2 cuts, 6 cuts in all. The two cuts shown cover one direction, so 6 - 2 = 4 more are needed.

Riya wants to cut this cube into 27 identical smaller cubes with straight cuts, without moving the pieces. The orange lines show the cuts she has already made. What is the least number of further cuts she needs?

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