RAG LO To use boxing up to solve wordy problems Key Words: Collaborate, explain, justify Janet has 40 CDs to sell at £3 each. She sells of them at full price. She then sells half of what's left with 20% off. The rest she gives to charity. If they cost £200 to buy how much profit does she make? Talk through the problem on the board and discuss its representation as an equation. We are assuming that there are always the same number of sweets in a packet for this problem.

Today’s Task On each table there is a wordy problem. You will have 5 minutes at each table to work together to solve the problem using boxing up. When the timer rings you must move in a clockwise direction to the next table. At each table you should ‘Think, Pair and then Share with the people opposite. You can ask for one of Hindle’s Handy Hints if necessary. However, when you ask for help you must use one of the ‘Boxing Up’ questions.

Rules Attempt every problem. Even if you can’t get to a final answer, you should be able to write something in each box. You can only ask for help using one of the ‘Boxing Up’ questions:- What is the question asking me? What Maths will I be using. What working out do I need to do? How can I check that my answer is correct?

Percentages – Booking a holiday Salima books a 7-night holiday in April for two adults. The travel agent adds a percentage surcharge to the cost of the holiday for booking fees. Salima’s final bill is £642.60 What was the percentage surcharge?

Ratio & Percentages – Tickets In 2006, the production cost of the Newton School play was £370. In 2007, due to the fact that the school had to hire some special costumes the production cost increased by 12%. In 2006, the total number of tickets sold for the play was 732. They sold 1/6 more tickets in 2007 In both years the ratio of adult tickets to student tickets was 42 : 19. In 2006, adult tickets cost £3 each and student tickets cost £1.50 each. In 2007 prices were reduced by 10%. Work out the profit or loss made by Newton School in 2006 and 2007.

Percentages – Clothes Chris owns a clothes shop. He bought 50 shirts at £12 for each shirt. He chose the selling price of each shirt so that he would make a profit of 30% on each shirt. He sold 20 shirts at this price. Chris then reduced the selling price of each shirt by 15%. He then sold the remaining shirts at this reduced selling price. Has Chris made a profit or loss? You must explain your answer clearly.

Formula – Cooking a Turkey Here are instructions for cooking a turkey. The Turkey is 7 kilogram Cook for 40 minutes per kilogram. Then cook for an extra 15 minutes The Turkey is cooked by 12.45pm. At what time did she start to cook it?

Money – Gas Bill Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following details from two companies. GASCOM Standing charge per month: £1.00 Cost per kWh: £2.99 UGAS Standing charge per month: £3.78 Cost per kWh: £2.38 Mr Black estimates that he will use 4000 kWh in the next 3 months. From which company would his gas bill be cheaper and by how much?

Plenary Its time to Peer Assess each others work and ‘magpie’ good ideas? When you peer assess remember to use What Went Well ............ Even Better If ................