Work through the levels in order. Type your answer and press Check — open the worked solution if you get stuck. Answers like -6, 3/4 or 0.25 are typed exactly as shown. A ⭐ Bonus Challenge at the end is extra credit — skip it if the rest was hard work.
Level 1 · Warm-up
1 Which view loses all height information?
Show worked solution
The top view (the floor plan) — height flattens away completely.
2 On a plan, what does a gap in a wall line mean? (one word)
Show worked solution
A doorway — walls break where you can walk through.
3 Grid references: which comes first, the column letter or the row number? (letter/number)
Show worked solution
The column letter first: B2 = column B, row 2.
Level 2 · Core
4 A 3-D view shows 3 rooms; plan option B shows the right outline but 4 rooms. Eliminated at which check — outline, rooms, or doors? (one word)
Show worked solution
Check 2 — rooms: the count mismatch kills it.
5 A model has a block hidden directly behind another equal block. Does the hidden block appear in the front view?
Show worked solution
No — front views lose depth; the front block covers it. (The TOP view still shows it.)
6 Columns of a block model, left to right: heights 1, 3, 2. How many squares tall is the middle column in the front view? (number)
Show worked solution
3 — each column shows its full height from the front.
Level 3 · Challenge
7 Two plan options survive outline and room checks. What feature will separate them? (one word)
Show worked solution
The doorways — check every gap sits between the same rooms as the 3-D view.
8 A model is 2 blocks deep everywhere and 2 tall at the back row only. From the TOP, is the back row distinguishable from the front?
Show worked solution
No — the top view flattens height: both rows read as plain squares. Only front/side views reveal the tall back.
9 On a map, the school is at B2 and the park is one square east. What is the park's grid reference? (as a grid reference)
Show worked solution
East = next column letter, same row: C2.