Estimate and calculate the cost of transactions involving multiple items priced in whole-dollar amounts, and the change needed when paying cash, using mental math
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
You buy 1 item costing $4 and pay with a $10 bill. How much change do you get?
📘 Worked solution
✓Change = $10 − $4 = $6.
And one from the hard end
Estimate the change from a $20 bill for a purchase totaling $13.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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