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Lesson Plan
Curated OER

Determining Age Of Rocks And Fossils

For Teachers 8th - 9th
Students discuss together how to determine the relative age of each of the rock units in the block diagram (Figure 1). After students have decided how to establish the relative age of each rock unit, they should list them under the block.
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Worksheet
Curated OER

Relate Addition and Subtraction Facts

For Students 1st - 2nd
In this addition and subtraction facts instructional activity, students use problem solving skills to solve 6 word problems that require them to add or subtract.
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Worksheet
Curated OER

Relate Multiplication and Division

For Students 3rd - 4th
In this word problem worksheet, students solve 6 problems in which they identify the relationship between multiplication and division as inverse operations. They draw arrays and write equations.
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Activity
2
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Curated OER

M&M Science and Math

For Teachers 6th - 12th
A series of math and science activities feature M&M's® as manipulatives to help kids work through equations. The resource includes exercises on finding averages, percent of compositions, moles in chemical reactions, genotypes and...
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Worksheet
Curated OER

4th Grade Math Practice

For Teachers 4th
In this grade 4 math practice worksheet, 4th graders complete a set of 23 multiple choice questions related to a variety of 4th grade concepts. An answer key is included.
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Worksheet
Curated OER

Compare and Order Fractions, Decimals and Percents

For Students 3rd - 5th
In this compare and order worksheet, students solve 6 word problems; all problems are related to comparing and ordering fractions, decimals and percents.
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Lesson Plan
Curated OER

Understanding the Geologic Timescale

For Teachers 7th - 10th
Students identify and analyze how the geologic time scale was developed by investigating 11 periods of time and the vast expanse of time of the Earth's existence. They study their period, determine the important factors indicative to...