Welcome to Ratio and Proportion. It has 2 interactive screens that you can explore. Choose a screen to start exploring.
Explore this screen to discover set challenge ratios.
On this screen, set your own challenge ratios to explore.
The Discover Screen changes as you play with it. It has a Play Area and a Control Area.
The Play Area is a tall space containing a Left Hand and a Right Hand that can be moved up and down. You can move the Left Hand and the Right Hand individually, or activate Both Hands to move both hands at the same time. As you move the hands up and down, you will get closer to or farther from the Challenge Ratio.
There are options to add plain or numbered tick marks. The tick marks are evenly-spaced horizontal lines that divide up the vertical space. When ready, you can choose a different challenge to master.
The Control Area has a button to reset the sim.
Currently, hands are at the challenge 1 ratio and very close to each other:
Move hands to find the Challenge Ratio in different places.
If needed, check out keyboard shortcuts under Sim Resources.
Move hands up and down individually to find the Challenge Ratio in different places.
hands very close to each other
Use W and S keys to move left hand, and Up and Down Arrow keys to move right hand. Move both hands at the same time to find and maintain the Challenge Ratio.
Choose a challenge, then move hands to explore it.
The Create Screen changes as you play with it. It has a Play Area and a Control Area.
Here, you can create your own Challenge Ratio. The Play Area is a tall space containing a Left Hand and a Right Hand that can be moved up and down. You can move the Left Hand and the Right Hand individually, or activate Both Hands to move both hands at the same time. As you move the hands up and down, you will get closer to or farther from the Challenge Ratio, unless you lock the ratio.
There are options to add plain or numbered tick marks. The tick marks are evenly-spaced horizontal lines that divide up the vertical space. In addition, you can increase the range of tick marks to explore larger numbers.
The Control Area has a button to reset the sim.
Currently, hands at challenge ratio and very close to each other:
Explore current challenge, or open My Challenge to create your own.
If needed, check out keyboard shortcuts under Sim Resources.
Move hands up and down individually to find the Challenge Ratio in different places.
hands very close to each other
Use W and S keys to move left hand, and Up and Down Arrow keys to move right hand. Move both hands at the same time to find and maintain the Challenge Ratio.
When tick marks shown, choose range for tick marks.
Set left and right values to create your challenge, then move hands to explore it.
Enabled when hands are at challenge ratio. Move hands as a single unit to maintain my challenge ratio.