Simplify $\frac{15k}{20k}$15k20k.
Simplify $\frac{70v}{710}$70v710.
Express in simplest form:
$\frac{42xy}{18y}$42xy18y
Simplify the expression:
$\frac{18p^7}{9p^3}$18p79p3
Make sense of problems and persevere in solving them.
Model with mathematics.
Use appropriate tools strategically.
Attend to precision.
Look for and make use of structure.
Look for and express regularity in repeated reasoning.