*social justice, stacked area graph

International Literacy Rates over Time

How has the world literacy rate changed over time? When did we experienced the greatest gains in literacy, globally? What has influenced these times of increased literacy? Click to access the slide deck, and learn more about math & content connections.

bar graph

Cost of Minting US Coins: Pennies, nickels cost more than their face value

Pennies and nickels cost more to produce than their face value! How much more? (Includes a follow-up task about calculating how much it costs to make a dollar's worth of each coin) Click to access the slide deck, and learn more about math & content connections.