Phone 170 Years Ago (Noemi)
Light Bulb 150 Years Ago (Adamaris)
Car 130 Years Ago (Reese)
Women's Right to Vote (New Zealand) 130 Years Ago (Tristin) 
Power Line 120 Years Ago (Ben)
First Freeway 160 Years Ago (Lexie)
Computer 80 Years Ago (Devan)
Microprocessor 50 Years Ago (Michael)
Lithium Ion Battery 30 Years Ago (Logan)
Public Internet 30 Years Ago (Yaziel)
Smartphone 12 Years Ago (Tristin)

First Modern Humans 200,000 Years Ago
(Devan: Make a big version of your other symbol).
Clothes 50,000 Years Ago (Lexie)
First Number System (Ben)
Agriculture 11,000 Years Ago (Done)
Metal Purification 6,200 Years Ago (Orquidia)
Wheel 5,500 Years Ago (Jaslyn)
Writing 3,200 Years Ago (Done)
Printing Press 1,440 Years Ago (Alex)
Steam Engine 320 Years Ago (Jon)
​Battery 270 Years Ago (Cyrus)
Democratic Country 250 Years Ago (Penelope)
Plumbing 190 Years Ago (Jenny)

T-Table
Draw a Diagram
​Ask a Homosapien for Assistance
+ - x /
Write Down the Goal of the Problem
​Draw a Bar Model
Label Your ​Steps
​Revise Your Work
​Cross Out a Strategy That Didn't Work 
​Try a Different Strategy
​Write your answer and label it.

​Our chickens ran out of food this weekend so I ordered a bag of the chicken food in the image below. Search google to find out about how many pounds of feed a chicken eats per day. Our family has 5 chickens. How long will this bag of chicken food last our family?