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Worksheet
Curated OER

Investigation (Houghton Mifflin Math)

For Students 2nd - 3rd
In this number sense worksheet, students explore the Grand Canyon. Students are to find five facts about the Grand Canyon that contain a number greater than the number one thousand.
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Worksheet
Curated OER

Extra Practice 1.4: Algebraic Equations

For Students 9th - 12th
In this algebraic equations worksheet, students read given story problems, translate them into algebraic equations, draw models of the equation, and solve the problem.  This one-page worksheet contains 18 multi-step problems.
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Worksheet
Curated OER

Problem Solving Decisions: Multistep Problems: Problem Solving

For Students 6th - 7th
In this multistep problem learning exercise, students use the problem solving method of understand, plan, solve, and look back to help them solve the two multistep problems.
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Lesson Plan
Curated OER

Similar Triangles - Applied Problems

For Teachers 9th - 12th
Students differentiate between similar and congruent triangles. In this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
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Lesson Plan
Curated OER

Is London Bridge Really Going to Fall Down?

For Teachers 4th - 5th
Students discover what forces work together to hold up a suspension bridge. They see various bridges around the world, and learn the basic principles that enable each bridge to support itself. Groups design their own bridge, testing how...
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Lesson Plan
Curated OER

Let It Rain

For Teachers 4th - 5th
Students study the effects of water erosion on soil by gathering and analyzing data during an experiment. They decide on appropriate units of measurement to apply in problem solving.
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Lesson Plan
Curated OER

Bison Calculations

For Teachers 6th - 8th
Students discuss how animals are cared for when they are captured. Using calculations, they determine how much food and water it takes for one bison and compare their water intake to humans. They also compare their weight to that of a...

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