measuring length · 2020-04-24 · cm le cm . how can we find the perime|er of these shapes 2 cm 2...
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Measuring Length
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3cm =6cm =29cm =42cm = 134cm =156cm = 278cm =109cm =
Answers on the next slide
• 3cm = 30mm and 0.03m
• 6cm = 60mm and 0.06m
• 29cm = 290mm and 0.29m
• 42cm = 420mm and 0.42m
• 134cm = 1340mm and 1.34m (1m and 34cm)
• 156cm = 1560mm and 1.56m (1m and 56cm)
• 278cm = 278mm and 2.78m (2m and 78cm)
• 109cm = 1090mm and 1.09m (1m and 9cm)
Answers
Predicting and measuring.
Perimeter = 16cm
What is area?
cm2 ×
1cm2
Now complete the Purple Mash activities
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