Compose and decompose various structures, and identify the 2D and 3D shapes they contain
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
If you stack 2 cubes into a tower, how many total faces do the two cubes have before stacking (counting all faces individually)?
📘 Worked solution
✓2×6 = 12.
And one from the hard end
A robot model is built from 1 rectangular prism (body), 2 cylinders (legs), and 1 sphere (head). How many 3D shapes are used in total?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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