130 likes | 268 Views
Welcome to Prime thinkers . WERE GOING TO BE TALKING ABOUT SHAPES . http://econtent.thelearningfederation.edu.au/ec/viewing/L2314/index.html. Bloom's Taxonomy . HOW CAN WE PROVE IT ?.
E N D
Welcome to Prime thinkers WERE GOING TO BE TALKING ABOUT SHAPES
http://econtent.thelearningfederation.edu.au/ec/viewing/L2314/index.htmlhttp://econtent.thelearningfederation.edu.au/ec/viewing/L2314/index.html
HOW CAN WE PROVE IT ? Reviewing prior knowledge from Grade 8 (The Australian Curriculum) From Digital Resource: http://www.youtube.com/watch?v=TPL12Tk7L6U&feature=related
People say the Statue of Liberty’s nose is out of proportion. If her arm is 1300cm long, how long should her nose be?
Scale factor = • Expressing a scale factor as: • Decimal • Fraction • Percentage • Ratio From digital resource: http://www.youtube.com/watch?v=wQRs7zBQmww
18 6 4 8 Example: Are these solids similar? Solution: Corresponding ratios are not equal, so the figures are not similar. Lesson 9-5: Similar Solids
9 12 6 12 8 16 Example: Are these solids similar? Solution: All corresponding ratios are equal, so the figures are similar Lesson 9-5: Similar Solids
Side length scaled down by a factor of: Volume scaled down by a factor of:
From digital resource: http://www.slideboom.com/presentations/53232/Surface-Area-and-Volume-of-Similar-Solids
A can( cylinder) has a height equal to its diameter. One can has a height of 5 cm and the other a height of 12cm. How many cans of water from the smaller can are needed to fill the larger can?