Identify and use equivalent relationships for whole numbers up to 1000
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
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
Find the missing number: 150+___=1000−550.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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