Compose and decompose various structures, and identify the 2D and 3D shapes they contain
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
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 structure uses 2 cubes, 2 cylinders, and 1 cone. How many distinct 3D shape TYPES are used, and how many total pieces?
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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