Learning Target:
CCSS:
7.RP.3. Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.
Lesson Video:
Supplementary Videos:
Online Practice:
Sales Tax Practice
http://www.math-play.com/Sales-Tax/Sales-Tax.html
http://www.aaamath.com/pct68_x5.htm
http://www.studyzone.org/mtestprep/math8/a/salestaxp.cfm
Tip Practice:
http://www.funbrain.com/cgi-bin/pw.cgi?A1=s&A2=1
http://www.mathscore.com/math/practice/Restaurant%20Bills/
https://www.ixl.com/math/grade-6/percents-calculate-tax-tip-mark-up-and-more
http://www.mathgames.com/skill/6.76-calculate-tip-markup-and-commission