lee's classroom

(another MPPS global2.vic.edu.au weblog)

July 29, 2016
by leesclassroom
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Natural Disasters: Tsunamis

In today’s lesson you are going to develop your understanding of tsunamis

Research and answers for the following questions:

  • What is an tsunami and how is it defined?
  • What conditions are necessary for the formation of tsunamis?
  • Where do they occur?

The two additional questions you added as a class were:

  • What are the before and after effects?
  • How can science help?

 

The tsunami simulator we looked at in class is here:

https://www.edumedia-sciences.com/en/media/210

The image above comes from the phys.org website which has a good article on how scientists are using the footage from the recent Japanese tsunami to learn more what occurs during such events.

Also worth exploring is the ABC news site which allows you to explore before and after images from the 2011 Japanese tsunami which resulted from a massive 9.0-magnitude earthquake.

July 28, 2016
by leesclassroom
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Application For Today’s Maths Lesson: Simplifying/Equivalence

Use the Fraction Wall find, draw and write as many equivalent fractions as you can.  (Teacher will model how to draw 2 Fraction Bars under each other, the same length, showing the equivalent region by shading, labelling on the fraction bar.) 

Solving and proving solutions using models and processes for Equivalent Fractions:

  • Your family ordered two pizzas.  They ate 2/3 of the Cheese pizza and 2/6 of the Pineapple pizza.  Now mum wants to put all of the leftovers into the one box, will they fit?  Show a diagram to prove this and also show the fractions you are using.

Reasoning using knowledge of equivalence:

  • For Grandpa’s 70th birthday you buy a big chocolate cake and a big vanilla cake to have enough for the whole family.  You cut the cakes into 12ths.  Three quarters of the chocolate cake is eaten and two- thirds of the vanilla cake is eaten.  Altogether, what fraction of a cake is leftover?

July 27, 2016
by leesclassroom
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Application For Today’s Maths Lesson: Fractions Of A Collection

Use your knowledge of fractions or of division to solve the following problems:

 

Support: Mum buys 24 apples and she will use ¼ of the apples per day.  How many apples will she use per day?

There are 20 lollies in the bag and your family eats ¾ of the bag of lollies. How many lollies did your family eat?  What fraction of the bag is left and how many lollies is this?

 

Reinforce:  Your family wants a packet of Ritz crackers to last for a week. What fraction of the packet will your family eat per day and if the packet contains 210 crackers, how many will be eaten each day?

Dad bought apples on Saturday and ¾ of them were eaten by Tuesday. On Tuesday there were 6 apples left, how many apples did Dad buy on Saturday?

 

Extend:  Forty-five chocolates, which is three- quarter of the box, have been eaten from a 1kg

box of chocolates.  How many chocolates does the 1kg box hold altogether?

A test has a possible score of 80 points and you get 9/10 of it correct.  What score do you get?

The next test has a possible score of 75 and you get 4/5 of it correct.  What score do you get?

How would you explain which test you did better on?

 

Find a partner who solved different problems to you, show one of the problem solutions and explain your thinking.

July 26, 2016
by leesclassroom
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Questions For Green Team Captains Interview

As discussed today, tomorrow the green team captains will be interview.
We’ll meet at recess and go over your responses to the questions below. You’ll be filmed sitting together next to chicken coop.
Each are to answer:
  • why that are proud of the green team
  • what they’ve learnt
  • skills gained or community connections made

The dimple triplets will be handling the recording part for us.

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