Grade 4 Math · Measurement

Identify angles and classify them as right, straight, acute, or obtuse

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: G4-E2.4

Sample: the first question, solved

What is an angle that measures exactly 90° called?

📘 Worked solution
A right angle.

And one from the hard end

Design 4 angles (one each of acute, right, obtuse, straight), list their measures, and explain how you classified each.

Solution shown after you try it in practice mode.

Work through all 30, easiest to hardest

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