Look at these regular shapes:
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12 cm
16 cm
11 cm
8 cm
(a) Which shape will have the greatest perimeter? Do not calculate them yet. Explain your answer to your partner. (b) Now calculate the perimeters. Check to see if you were correct. Solve these problems. (a) A train journey is 105 km. The train makes the same journey twice in a day. How far does the train travel in total? (b) A dozen stickers are the same length as two paintbrushes. Each sticker is 5 cm long. What is the length of one paintbrush? (c) Winston cuts 3 __ 10 metre of string for a parcel and 7 __ 10 metre of string for a kite. How much string does he use in total?
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03/05/2022 10:21
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