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3rd grade · Social Studies · Unit 2 of 7

Arizona Through Time

From Hohokam canals to statehood and beyond

What your child practices

Arizona history in order: the Hohokam canals, Spanish explorers and missions, Mexico, the Gadsden Purchase, Arizona Territory, statehood on February 14, 1912, dams and canals, and people who moved to Arizona, with timeline and arithmetic practice.

Arizona Academic Standards learning standard: 3.SP1.1; 3.H3.2; 3.G3.1 · timelines of Arizona history, the changes that have taken place in Arizona, and people moving into and out of Arizona over time

How we explain it

Children can open this short lesson before they practice.

  1. The Hohokam built canals long ago. Spanish explorers and missions came later.
  2. Arizona was part of Mexico, then the United States after 1848 and the Gadsden Purchase.
  3. Arizona became a state on February 14, 1912.

Example: Which came first: the Hohokam canals, or Arizona statehood? The Hohokam lived hundreds of years ago. Statehood was in 1912. Answer: the Hohokam canals

Arizona Through Time in Arizona

In the Arizona Academic Standards, this is unit 2 of 7 in 3rd grade Social Studies, after Arizona's Land & Water and before Arizona's Indian Nations.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: Arizona Department of Education

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    Which of these happened first?

    • The Central Arizona Project canal reaches Tucson
    • The Gadsden Purchase adds southern Arizona, including Tucson
    • Pluto is discovered at Lowell Observatory in Flagstaff
    • Roosevelt Dam is finished on the Salt River

  2. Question 2

    In what year did this happen? Land north of the Gila River becomes part of the United States

    • 1889
    • 1848
    • 1981
    • 1911

  3. Question 3

    In what year did this happen? Father Eusebio Kino begins founding missions in the Sonoran Desert

    • 1540
    • 1863
    • 1854
    • 1687

  4. Question 4

    Why did people move to Arizona after air conditioning became common?

    • the desert turned green
    • it stopped being hot
    • summers became easier to live through

  5. Question 5

    Arizona became a state on February 14, 1912. That is why it is sometimes called the…

    • New Year State
    • Valentine's State
    • Birthday State

  6. Question 6

    A timeline shows events…

    • from biggest to smallest
    • in alphabetical order
    • in the order they happened

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