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
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
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
You buy items costing $23, $17, $31, and $9, paying with five $20 bills ($100 total). Calculate the exact change, and verify by adding it back to the purchase total.
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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