Making Change: Buying a toy

easyGrade 2-4making change

The Problem

Lisa buys a toy that costs $28. Lisa pays with $40. How much change does Lisa receive?

Answer:

$12

Key Information

  • Cost: $28
  • Amount paid: $40

Formula

Change = Amount Paid - Cost

Step-by-Step Solution

1

Identify cost and payment

Cost = $28, Amount paid = $40
2

Set up equation

Change = Amount paid - Cost
3

Substitute values

Change = $40 - $28
4

Calculate

40 - 28 = 12
5

Final answer

Lisa receives $12 in change

Common Mistakes to Avoid

  • Subtracting in wrong order
  • Adding instead of subtracting

Helpful Tips

  • Subtract cost from amount paid
  • Change should be less than what you paid

Real-World Application

Calculating change ensures you receive correct money back when shopping.

Related Topics:

moneysubtractionchangeword problems

Need More Help with Word Problems?

Get personalized 1-on-1 tutoring with expert math tutors. Master word problems, build problem-solving skills, and boost your confidence!

Find Your Math Tutor