LQ: How can I plan a party using my problem-solving skills? C – I can use addition to find the total cost of items A – I can use subtraction to find how money I have left E – I can use my addition and subtraction skills to spend as close to £25 as possible. You have £25 for a party with 12 people. Choose the items you want to buy for your party(remember there are 12 people). Use addition to work out how much you have spent. Use subtraction to work out how much of your budget you have left. Challenge: How close can you get to £25? When you are finished, colour the success criteria you think you have achieved.