Objects, diagrams, and equations for sums up to 50
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
Use counters to model 12 + 5. What's the total?
📘 Worked solution
✓17.
And one from the hard end
A farmer has 25 sheep and buys 18 more. Write and solve the equation.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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