Alexia Proportion Post

Task 1

Ratio. A comparison of quantities that have the same units.

Rate. A comparison of two quantities measured in different units.

Proportion. An equation which states that two ratios are equal.

Task 2

1. 5 hours to travel 360 miles is about _____ mph.

hours 5 (÷5) 1

_____ _____ = _____

miles 360 (÷5) 75mph

2. As a playgroup worker,if I increase the amount of apple juice I am serving at the playgroup from 25 ml to 100 ml, how much should I increase the the orange juice to, to keep the quantities in the same proportion? The orange juice is 50 ml to start with.

apple juice 25ml x4 100ml

_____ _____= _____

orange juice 50ml x4 200ml

Task 3

What are three ways you can prove that equivalent ratio statements are true ?

1. horizontal

2. strategy

3. vertical

Task 4

Task 5

1. Does this seem fair ? I do not think it is fair.

2. With what you know about proportion look and read what is in the image above. Does it seem just and fair ? Why have you made this choice ?

No its not fair because he took 3 billion $$ that's a lot

3. What would you have done if you were the judge ?

I would have gave him at least 3years of jail.