Grade 9 Math (MTH1W) · Development of Numbers and Number Sets

Describe the relationships between different subsets of the real number system

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: MTH1W-B1.3

Sample: the first question, solved

Is the set of natural numbers a subset of the set of integers?

📘 Worked solution
Yes - every natural number is also an integer, so natural numbers are a subset of integers.

And one from the hard end

Classify −7 into every number set it belongs to, and explain why it's excluded from the others.

Solution shown after you try it in practice mode.

Work through all 30, easiest to hardest

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