Grade 8 Math · Number Sense

Represent and compare very large and very small numbers, including through the use of scientific notation

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: G8-B1.1

Sample: the first question, solved

Write 3×10³ as a standard number.

📘 Worked solution
3×10³ = 3000.

And one from the hard end

A DNA strand (about 2.5×10⁻⁹ m wide) is how many times wider than a typical atom (about 1×10⁻¹⁰ m wide)?

Solution shown after you try it in practice mode.

Work through all 30, easiest to hardest

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