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Worksheet
Curated OER

Ratio, Rates and Percentages

For Students 8th
In this ratio, rates and percentages worksheet, 8th graders solve 22 various types of problems related to ratios, rates and percentages. They first write ratios in lowest terms and describe each of comparison stated. Students also solve...
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Lesson Plan
Curated OER

What In The World Would You Have?

For Teachers 4th - 7th
Pupils calculate value of money in other countries, and explore how the economy affects the rate of exchange.
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Activity
Tutor2u

Tutor2u: Sources of Comparative Advantage

For Students 9th - 10th
This site describes how comparative advantage and specialization cause international trade.