Properties of addition/subtraction and relationships between addition–multiplication and subtraction–division
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
If 5+5=10, write this as a multiplication expression.
📘 Worked solution
✓Two equal groups of 5 make 10.
And one from the hard end
Using only the fact that 9×8=72, find three related facts (one more multiplication fact, and two division facts) without recalculating.
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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