Lesson plan based on Alexander Coin
Calculate ancient Greek coin values as compared to their weight and determine their worth today.
Skills and Focus: Calculation
Subject Area: Mathematics
Thematic Connection: Money, Counting and Calculating, Connecting Past and Present
Grade Level: Elementary School
Time Needed: 45 minutes
Objectives
• Understand how to calculate fractions of a given weight.
• Use decimal numbers.
• Convert from metric to U.S. customary weight systems.
Instructional Materials Needed
Activity
Step 1: Distribute the chart and work with students to calculate the missing values. Ask students to suggest the appropriate calculations.
Step 2: After calculating the value of the coins, relate their value to that of a silver dollar (1 oz.). Calculate how much the silver in these ancient Greek coins would be worth today (assuming the value of silver at $7.50/oz.).
Goals
This activity meets Illinois State Goal 6: Demonstrate and apply a knowledge and sense of numbers, including basic arithmetic operations, number patterns, ratios, and proportions.
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Find the Values of Ancient Greek Coins |
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| obol
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1/6 drachma | |
| diobol
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1/3 drachma | |
| drachma
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4.1g | |
| didrachm
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2 drachmae | |
| tetradrachm
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4 drachmae | |
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