**Part One**

Ratio - A pair of numbers that compares different types of units. eg.

Rate - A ratio that compares different kinds of units. eg. miles/hour

Proportion - A relationship that says

__two rates equal each other__eg, 2/3=6/9

**Part Two**

**Copy these questions into your post. Answer them using proportion statements.**

- 5 hours to travel 360 kilometers is about _____km/h. 1. 300 mins/360 km = 60 mins/ 72 km
- Emma saves 28 cents of every dollar that she earns. Emma earned $75 last week. How much money did Emma save last week? 2. 28 cents/ 100 cents = 268 cents/ 7500 cents.

Part 3

What are the three ways you can prove that equivalent ratio statements are true?**3/4 = 12/16**or

**4/9 = 16/32**

**3/4 x 4 = 12/16, 12/16 divided by 4 = 3/4 , so for the last one is cross multiplication . so the 3 in 3/4 x the 16 in 12/16 = 48 and the 4 in 3/4 x the 12 in 12/16 = 48**

**4/9 x 4 = 16/36 which is not true so it is false . or it just doesn't work for these numbers.**

Part 4

Find a video about using proportion and embed it in your post. Make sure you select the small size of the video. **(Bonus Marks if you make your own video about proportion and embed it)**

at about 5 minutes he starts talking about something different but the first 5 minutes its Proportion

Task 5

We are starting to engage in discussions about social justice. What do you think about this image below. Use the link to copy it into your post. Then answer the questions

- Does this seem fair? No because the homeless man is going to prison for 180 months for stealing $100 , and the CEO is going to jail for 40 months for stealing $3 billion. theres a big loop hole there.
- With what you know about
**proportion**look and read what is in the image above. Does it seem just and fair? no because 180 months/ $100 and 40 months/ $3 billion just looking at it doesnt look fair. - Why have you made this choice? because it makes common sense of what i just said.
- What would you have done if you were the judge? i would of been reasonable and gave the homeless man a reasonable time in jail like 40 months in jail and for the CEO would have gotten 180 months in jail or more.

http://farm9.staticflickr.com/8194/8079592340_b7aa455ffc.jpg

How tall is these trees compared to this average teenager?

Well first of all this boy looks around 12 years old so that average height is about 5 feet.

And this boy is about 4 times that tree on the right so the tree is about 20 feet tall. Because 5 x

4 = 20 feet.

3 stars: 1. I like how you explained the questions in part 5. 2. I like how part 3 was very coulorful. 3. I like you examples in part 1.

ReplyDeleteOne wish: I think you need pictures!!