Day Four Try these. 1


The Simpsons’ skipping ropes are all jumbled up! If Maggie’s skipping rope measures 0.8 m, can you work out the length of the other skipping ropes?


ƒ Homer’s skipping rope is double the length of Maggie’s. ƒ Maggie’s skipping rope is 2 ƒ Homer’s skipping rope is 3


3 the length of Bart’s. 5 m longer than Lisa’s.


ƒ Marge’s skipping rope is 0.4 m longer than Lisa’s.


Answers: Homer’s


2 3


Bart’s


Lisa’s Rewrite the answers from question 1 in cm. Answers: Homer’s Bart’s Lisa’s Marge’s Marks:


Springfield Primary School needs a new fence around its yard. Before the principal can order one, she needs to find out the perimeter. The yard has five sides. The first measures 12.75 m, the second is 3.15 m longer than the first and each subsequent side is 3.15 m longer than the last. Can you work out the perimeter of the yard?


/4


Marge’s


Marks:


/4


Answer:


Super Sleuth investigates Bird’s Nest Stadium


A lap of the track at the Bird’s Nest Stadium in Beijing is 0.4 km long. If Usain Bolt can run 100 m in 9.79 seconds, how long would it take him to run a full lap if he maintains this speed throughout?


Total Marks: /32 I was able to complete the perimeter tasks. I used these strategies in this unit: |


Marks: Today’s Marks: Usain Bolt


/2 /10


Use a trundle wheel to measure 100 m in your school hall or yard. Time how long it takes you to run 100 m. Compare your performance with that of Usain Bolt!


Yes No 67


Week 15 | Length


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