Fractions, Taxes, and Rational Numbers

12th GradeMath60 min

Learning Objective

Define rational numbers Express rational numbers as a fraction, decimal, and percent, and convert between the three Multiply rational numbers to solve word problems Understand how the federal government spends income tax dollars Explain the similarities and difference between payroll taxes and self-employment taxes Explain how sales tax is calculated, and how it differs between states and local areas

Lesson Flow

Watch Video

8 min

Percent Intro and Basic Percent, Fraction, Decimal Conversions (No Calculator)

Mathispower4u

Guided Notes

12 min

Key concepts students will learn:

  • The word percent means parts per 100, and the percent sign is used to denote a percentage.

  • To convert a fraction to a decimal, you should perform division, and to convert a decimal to a percent, you can write it as a fraction with a denominator of 100.

  • A percent is always a number compared to 100, so p percent as a fraction is always p/100.

Practice

18 min

12 questions • Multiple choice & Short answer

Exit Ticket

5 min

Convert ⅖ to both a decimal and a percentage, showing all steps.

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts