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# Bridging the Gap

L3. L4. Problem-Solving Pupils’ Version. Bridging the Gap . Problem-Solving: Area and Perimeter with Money . to. Note to Pupils. … So you survived the FRIENDLY PROBLEM-SOLVING AREA AND PERIMETER! … You came out tops on the FRIENDLY PROBLEM-SOLVING!!

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## Bridging the Gap

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1. L3 L4 Problem-SolvingPupils’ Version Bridging the Gap Problem-Solving: Area and Perimeter with Money . to

2. Note to Pupils … So you survived the FRIENDLY PROBLEM-SOLVING AREA AND PERIMETER! … You came out tops on the FRIENDLY PROBLEM-SOLVING!! BUT … are you ready to face THIS FIENDISH ACTIVITY??? This resource will help you to… • Practise your expertise as a problem-cracker of brain-frying challenges about area AND perimeter AND money ! Remember …. You can walk these challenges! Why? Because you’ve learned the easy R U P C way to solve even the hardest problem!

3. Content • Slides 4 - 6 Recap of the R U PC method for easy problem-solving • Slides 7 - 16 The Fiendish Problems! • Slide 17 Where To Next? (TO GO TO LINK: HOLD DOWN CONTROL AND CLICK ON YOUR CHOICE) How to use this resource You can control how fast or slow you go using: FORWARD: OR OR Enter OR Left-hand mouse BACK: OR OR Back Space TO START POWERPOINT: F5 OR Slide Show > View Show TO RETURN TO MENU: Escape

4. Which One Are You ??? R U a Problem-Coward ? … or … R U a Problem-Cracker? PROBLEM!

5. R U PC? Problem Cracker ? R U a Picture it Read it Underline it Calculate it STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Underline It ! Calculate It ! Picture It! ! Read it !

6. You have already checked out the basics in School Booster about: - - Area of rectangles - Perimeter of rectangles - Money Now you’re ready to try out some problems about all three! How to become aPROBLEM-CRACKERin 4 Easy Steps! R U P C ? Read it! … what’s it about? Underline it! … find the clues Picture it! … add? subtract? multiply? divide? … use a number line to help Calculate it! … work it out !

7. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! • Senorita Rojo, the Head of Spanish, is organising a total makeover of his Spanish classroom! • Flooring, roller blinds, wallpaper, and a brand new whiteboard! • Can you work out the total cost? • You will need to: • Work out the cost for each item • Work out the total at the end • Get a pen and paper to keep track! R U P C ?

8. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! 1 ITEM 1: Flooring Laminate flooring is £7.50 per square metre. The classroom is 8 metres long and 4 metres wide and 2m high. What is the cost of the flooring? Flooring £240 Click for solution to problem R U P C ?

9. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! 2 ITEM 2: 3 LARGE WINDOW BLINDS Each blind is £8 per square metre. The 3 large windows are 500cm by 600cm each. What is the cost of the three blinds? Running Total Total was £240 Large blinds £720 Total so far £960 Click for solution to problem R U P C ?

10. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! 3 ITEM 3: 2 SMALL WINDOW BLINDS Each blind is £21 per square metre. The 2 small windows are 200cm by 150cm each. What is the cost of the two blinds? Running Total Total was £960 Small blinds £126 Total so far £1086 Click for solution to problem R U P C ?

11. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! 4 ITEM 4: PAINT FOR FRONT WALL The front wall is 8m long and 2m high. Deelux Matt Emulsion costs £10.25 per tin. Each tin covers 5m² of wall. How many tins? Total cost of paint? (Remember – you have to buy whole tins of paint!) Running Total Total was £1086 Front wall paint £41 Total so far £1127 Click for solution to problem R U P C ?

12. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! 5 ITEM 5: PAINT FOR 3 WALLS The back wall is 8m long and 2m high. Both side walls are 4m long and 2m high. Cheepo Eggshell Emulsion costs £16.50 per tin. Each tin covers 6m² of wall. How many tins? Total cost of paint? (Remember – you have to buy whole tins of paint!) Running Total Total was £1127 3 walls – paint £99 Total so far £ 1226 Click for solution to problem R U P C ?

13. 1m 1m 2.5m STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! 6 • ITEM 6: STORE CUPBOARD • A strong wall cupboard is built to house the classroom set of laptops: • It’s made from five • rectangular pieces of wood: • The front (for the 2 doors) • The left and right sides • The top and bottom • The wood is £6 per square metre. The 30 screws cost 5p each. The handles are £1.25 each. • What is the total cost of cupboard? Click for solution to problem Running Total Total was £1226 Cupboard £61 Total so far £1287 R U P C ?

14. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! 7 ITEM 7: THE WHITEBOARD 1 rectangular whiteboard (250cm x 150cm): £195. Protective edging strip for whiteboard: £4.25 per metre. What is the total cost of the whiteboard and strip? Click for solution to problem Running Total Total was £1287 Whiteboard £228 Total so far £1515 R U P C ?

15. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Now Your Turn! 8 ITEM 8: THE TABLES Only £280 left! But Senor Rojo is determined to buy 30 new chairs! There are 3 special offers: 5 for £50 6 for £57 3 for £27.60 He can only order 30 chairs if it doesn’t cost more than £280. Can he afford the tables? If so, how much does she spend? Click for solution to problem Running Total Total was £1515 Chairs £276 Total so far £1791 R U P C ?

16. STEP 1 ? STEP 3 ? STEP 2 ? STEP 4 ? Read it ! Underline It ! Calculate It ! Picture It! ! Time to Total Click for solution to Problem TOTAL COST OF THE SPANISH ROOM There were 8 major items in this fiendish challenge! Did you work out their total? If you were correct, then you are a - FIENDISH PROBLEM-SOLVER WITH MONEY, AREA AND PERIMETER! Running Total Flooring £240 Large blinds £720 Small blinds £126 Front wall paint £41 3 walls – paint £99 Cupboard £61 Whiteboard £228 Chairs £276 Total £1791 R U P C ?

17. Now U R PC with Area and Perimeter and Money…Why not have a go at Revising Ratio and Proportion?Or are you ready to try … THE BUS STOP METHOD OF DIVISION?PRESS ESCAPE TO RETURN TO MENU

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