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Perimeter workshop
The document provides information about perimeter calculations for various shapes and objects. It includes perimeter problems for rectangles, squares, and irregular shapes. It also includes the perimeter calculation of a school layout with multiple buildings and yards. The total perimeter is calculated by adding the individual perimeters of each component shape or section.
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Perimeter workshop
- 2. 42 cm 20 cm 20cm 42 cm
- 3. 42 cm 20 cm 20cm 42 cm 20 + 20 + 42 + 42 = 124cm
- 4. mm School grounds A desk km m cm Abutton A button New Zealand An island The classroom A book The tip of a pen
- 5. mm A button The tipof a pen cm A desk A book m km School grounds An island The classroom New Zealand
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- 7. Click on Perimeterto start
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- 9. What is theshape’s perimeter
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- 16. 45cm 15cm 15cm 20cm 40cm 20cm 15 + 15+15 + 15 + 15 + 15 + 15 + 15 = 120 20 + 20 +20 + 20 + 20 + 20 + 20 + 20 = 160 45 + 45 +45 + 45 + 45 + 45 + 45 + 45 = 360 120 + 160 +360 = 640cm P= 640cm
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- 18. 25m 35m 25m 25m 35m 10m 35m 20 + 20+20 +20 = 80 10 + 10 +10 +10 = 40cm 25 + 25 +25 +25 + 25 + 25 + 25 + 25 + 25 +25 + 25 + 25= 300 35 + 35 +35 +35 + 35 + 35 +35 + 35 +35 +35 +35 +35 = 420 300 + 80 +420 +40 = 840 P= 840m
- 19. 11m Class One 7m 7m 14m Class Three 4m 9m 7m ClassTwo 5m Office Block 14m 11m 6m 19m School Field 10m Hall and ICT Centre 22m 15m Class Four 6m 5m G A R D 13m E N 1 1m G A R D E N 2 12m 5m 13m
- 20. 13 + 1+13+ 1= 28m 11m Class One 7m 11 + 7 +11 + 7 = 36m 7m 14m Class Three 11 + 7+11 + 7= 36m 4m 9m 7m Class Two 5m Office Block 14m 11m 6m 19m School Field 10m Hall and ICT Centre 19 + 10 +19 + 10 = 58m 22m 14 + 7 +14 + 7 = 42m 15m Class Four 15 + 6 +15 + 6= 42m 6m 5m G A R D 13m E N 1 1m 13 + 5+13 + 5= 36m G A R D E N 2 12m 5m Office Block 9 + 4 + 5 + 9 + 5 = 32m Hall 5 + 12 + 22 + 6 + 6 +17 = 68m 13m