8/31/26 - Teachers and Parents - You can now purchase a "forever" pass to MrNussbaum.com for $89. Your one-time purchase entitles you and your students to unlimited use of the entire site. It will never recur or renew. An annual subscription can always be purchased for $49 or a monthly subscription for $9.99.

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This activity explains the concept of exchange rates and then challenges students to figure out how much items would cost in Canada with American dollars and how much items would cost in America with Canadian dollars.

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