Comparing+and++Scaling+10-11

__ Class Jobs __ A/C - Zoe LCD - Erik Timer (breaks) - JiHun BBoard - Hyuk Chan, Noel, Chae un, Caroline B. Computer Monitor - Chae Young Recycler / Paper people- Eun Su, Madiha Word Wall - Alex, Ani Supply Monitor - Marta Note Taker - Aayushi, Madina Snack master ( Day 1) - Zoe, JiHun Photographer - Sebastian

Comparing and Scaling

Big Idea Many important practical and mathematical applications involve comparing quantities of one kind or another; it is important to know which method to use and how we should use them.

** Investigation 1 Essential Question - **What methods are there for comparing quantities? 1.1 Writing Ads - 1.2 Targeting an Audience -1.3 Getting the Message Across - MartaMathematical Reflections, p. 15 - Eun Su

Investigation 2 Essential Question:  How can we use percentages to compare different sets of data? 2.1 Comparing Leisure Activities - 2.2 Comparing Your Class to the Nation -Madiha Mathematical Reflections, p. 25 -

** Investigation 3 Essential Question: **  How can I use a proportion to increase or decrease the size of an image or quantity? 3.1 Mixing Juice - Ani3.2 Helping the Cook -3.3 Sharing Pizza - Chae Young Mathematical Reflections, p. 36 -

** Investigation 4 Essential Question: ** How can I use a unit rate to make a prediction? 4.1 Comparing Fuel Economy -4.2 Using Unit Rate - Madina4.3 Solving Problems with Rates - 4.4 Buying Beads -Mathematical Reflections, p. 51 -

** Investigation 5 Essential Question: **  How are rates, ratios and proportions related and how are they different? 5.1 Estimating the Size of a Crowd - Ayushi 5.2 Estimating a Deer Population - Josh 5.3 Finding Population Densities - Caroline @5.4 Comparing the Dakotas - Sebastian 5.5 Predicting Traffic Jams - Alan Mathematical Reflections, p. 64 - JiHun

Which comparing strategies work best in which situations? 6.1 Scaling Up or Down - Chae 6.2 Using Rules of Thumb - Zoe 6.3 Selecting Delegates - Amreet Mathematical Reflections, p. 81 - Alex
 * Investigation 6 Essential Question:**

__ Comparing and Scaling Vocabulary __

Population Density Rate Ratio Scale, Scaling Unit Rate Decimal Difference Equation Equivalent ratio Fraction Graph, Coordinate graph Percent Scale Factor Proportion [|Comparing Scaling Vocab definitions Teacher.pdf] [|Comparing Scaling Vocab definitions Student.pdf]