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Lesson Plan
Curated OER

How Taxing are Taxes?

For Teachers 6th - 12th
Learners explore the ways that taxes are levied based on taxable income. They analyze how a new series of tax cuts might affect people of different income levels and their tax rates.
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Assessment
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Inside Mathematics

Quadratic (2009)

For Teachers 9th - 12th Standards
Functions require an input in order to get an output, which explains why the answer always has at least two parts. After only three multi-part questions, the teacher can analyze pupils' strengths and weaknesses when it comes to quadratic...
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Lesson Plan
Curated OER

Calculating Sales Tax

For Teachers 3rd - 5th
Observe and demonstrate how to calculate state sales taxes. Learners create a sales tax chart by calculating the sales tax amount and tax inclusive retail price for school store items, then calculate the subtotals, sales tax amounts, and...
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Lesson Plan
Curated OER

Geometric Abstraction

For Teachers 9th - 12th
Students create an abstract work of art that is made by repeating geometric shapes and lines, write concise instructions to reproduce the work of art and reproduce someone else's artwork via written instructions.
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Lesson Plan
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Curated OER

How To Measure Area

For Teachers 4th - 7th
Geometers learn how to measure the area in square units. They use the floor in the classroom as a visual to measure a square foot area. They use classmates to fill the space and expand the measured area square foot by square foot until...
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Lesson Plan
Curated OER

Using Groups of Ten to Solve Problems

For Teachers 3rd - 5th
Upper graders solve math problems involving multiplication using specific strategies. They will use base-ten blocks, hundreds charts, and number lines to solve multiplication problems. Then they will practice several of the strategies...
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Worksheet
Curated OER

Practice Regrouping with 15 to 18

For Students 1st - 3rd
For this adding and subtracting practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to regroup.
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Worksheet
Curated OER

Clock Problem

For Students 10th - 11th
In this algebra worksheet, students observe and identify different parts of a clock using a quadratic function. Their goal is to find two errors in the clock by solving the equation for its roots.
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Lesson Plan
Curated OER

Regressive Taxes

For Teachers 9th - 12th
Students explain that regressive taxes can have different effects on different income groups. They see how a regressive tax takes a larger share of income from low-income groups than from high-income groups.
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Lesson Plan
Curated OER

Food Probability

For Teachers 6th - 8th
In this math worksheet, students plot the possibilities of outcomes for making sandwiches and ice cream in the graphic organizers.
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Lesson Plan
Curated OER

Equations and Averages, Permutations - Week 7

For Teachers 12th - Higher Ed
In this average and permutation worksheet, students read story problems and write equations to determine annual income, the sum of a sequence, averages, and permutation problems. This two-page worksheet contains eight problems.
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Lesson Plan
Curated OER

Measurement

For Teachers 3rd - 5th
Students choose appropriate units of measure and predict length using the metric system. In this measurement lesson, students participate in activities in which they predict, measure, and record linear measurements such as arm span vs....
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Worksheet
Curated OER

IRA RMD Problem

For Students 9th - 11th
In this algebra worksheet, students work with percents and RMD as it relates to a retirement account. They calculate how much money is taken out of an IRA based on 10% of the total amount. This worksheet contains 1 problem and an answer...
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Lesson Plan
Curated OER

That's Not Fair

For Teachers 4th
Fourth graders in pairs, go to the front of the class, where one student is given five pieces of candy in one hand and four in the other. The other student is given four candies in one hand and none in the other. They discuss if they...
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Lesson Plan
Curated OER

Understanding number to 100

For Teachers 3rd - 5th
Young scholars research equivalent representations of numbers using the base 10 system. In this Base 10 lesson, students examine place value, representations of numbers, and multiples of one, ten, and one-hundred.

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