Grade 8 Algebra: Rate of Change and Unit Rates

Name: ______________________Date: ____________Score: ____ / 8

Level 1

Unit rates

1. Solve:
$\text{A}$ $\text{car}$ $\text{goes}$ $\text{120}$ $\text{miles}$ $\text{in}$ $\text{2}$ $\text{hours.}$ $\text{Find}$ $\text{the}$ $\text{speed.}$
2. Solve:
$\text{5}$ $\text{pens}$ $\text{cost}$ $\text{\$15.}$ $\text{Find}$ $\text{the}$ $\text{cost}$ $\text{per}$ $\text{pen.}$
3. Solve:
$\text{Sam}$ $\text{types}$ $\text{240}$ $\text{words}$ $\text{in}$ $\text{4}$ $\text{minutes.}$ $\text{Find}$ $\text{the}$ $\text{words}$ $\text{per}$ $\text{minute.}$
4. Solve:
$\text{A}$ $\text{swimmer}$ $\text{does}$ $\text{18}$ $\text{laps}$ $\text{in}$ $\text{6}$ $\text{minutes.}$ $\text{Find}$ $\text{the}$ $\text{laps}$ $\text{per}$ $\text{minute.}$
5. Solve:
$\text{Mia}$ $\text{earns}$ $\text{\$56}$ $\text{for}$ $\text{8}$ $\text{hours}$ $\text{of}$ $\text{work.}$ $\text{Find}$ $\text{her}$ $\text{pay}$ $\text{per}$ $\text{hour.}$
6. Solve:
$\text{Leo}$ $\text{reads}$ $\text{90}$ $\text{pages}$ $\text{in}$ $\text{3}$ $\text{days.}$ $\text{Find}$ $\text{the}$ $\text{pages}$ $\text{per}$ $\text{day.}$
7. Solve:
$\text{A}$ $\text{hose}$ $\text{fills}$ $\text{20}$ $\text{gallons}$ $\text{in}$ $\text{4}$ $\text{minutes.}$ $\text{Find}$ $\text{the}$ $\text{gallons}$ $\text{per}$ $\text{minute.}$
8. Solve:
$\text{6}$ $\text{apples}$ $\text{cost}$ $\text{\$9.}$ $\text{Find}$ $\text{the}$ $\text{cost}$ $\text{per}$ $\text{apple.}$