1. Mary has $5. She decides to buy a Choc Attack bar for $1.10. How much change will she get?
2. Hine has $10. She gets $4.60 change after buying a packet of chocolate biscuits. How much were the biscuits?
3. Tui bought a packet of chips for $1.10 in a vending machine. She also got 90 cents change. How much money did she put into the machine?

Extension

1. Maree has $10 and John has $5. After buying some ginger beer John has $3.30 change. Maree buys 2 sticks of liquorice. She has the same amount of change that John spent. What does one stick of liquorice cost?