Objects, diagrams, and equations for sums up to 50
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
Use counters to model 12 + 5. What's the total?
📘 Worked solution
✓17.
And one from the hard end
A parking lot has 42 cars. 19 leave, then 14 more arrive. How many cars are in the lot now?
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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