Drag to match
Build the Equation
A spaceship starts with {{ s1.startVal }} tons of fuel. It uses {{ s1.rateVal }} tons per hour.
Fuel
=
-
h
{{ s1.dropStart.val }}
Start Value
{{ s1.dropRate.val }}
Rate
{{ item.val }}
Tap the highest
Who starts with more money?
Compare the starting value (-intercept) of both savings accounts.
Slide to Race
Which robot is faster?
Compare their rates of change (speed). Slide time forward to watch them move!
Robo A
🤖
Robo B
👾
Time = 0s
Time = 10s
Tap to eliminate
Find the slowest!
Tap the function with the SMALLEST rate of change (slope) to eliminate it.
🏆
Fastest remains!
🎉
Masterful!
You can now spot the starting value and rate of change in equations, tables, and word problems!