Grade 3 Math · Geometric and Spatial Reasoning

Identify congruent lengths, angles, and faces of 3D objects, and determine if the objects are congruent

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.

Start the 30 questions Curriculum: G3-E1.3

Sample: the first question, solved

Are two squares with the same side length congruent?

📘 Worked solution
Yes.

And one from the hard end

Two rectangular prisms have the same length and width, but one is 1cm taller than the other. A student claims "they're basically congruent since only the height differs slightly." Is the student's reasoning correct?

Solution shown after you try it in practice mode.

Work through all 30, easiest to hardest

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