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Worksheet
Curated OER

Nonstandard Units

For Students 1st - 2nd
Here is a very good measurement learning exercise. Four problems are solved in which objects at home are measured using the specified nonstandard measurement units such as toothpicks, footsteps and teaspoons.
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Lesson Plan
Curated OER

Which Chocolate Is The Biggest?

For Teachers 4th - 5th
Students investigate the concepts of area and perimeter with the use of chocolate bars. They calculate the perimeter and area of different size rectangle chocolate bars and record the statistics. Then students make a visual comparison...