Identify and use equivalent relationships for whole numbers up to 1000
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
Is 400+250 equal to 700−50?
📘 Worked solution
✓400+250=650 and 700−50=650. Yes, equal.
And one from the hard end
A balance scale shows 1000−___ on one side equal to 180+220+180 on the other side. Find the missing number, showing your work.
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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