Comparing and Scaling

Ways to Compare Numbers

  1. Ratios

  2. Fractions

  3. Percents

  4. Differences

Scaling Up and Scaling Down (equal ratios)

  • Mixing Juices

  • Sharing Pizza

  • Feeding Chimps

Comparing and Scaling Rates

  • Technology on Sale

  • Time, Rate, and Distance

  • Comparing CD prices

  • Two Different Rates

Proportions

  • Setting Up and Solving Proportions

  • Everyday Use of Proportions

  • Strategies for Solving Proportions