Lesson Plan
Curated OER

Triangle Sums

For Teachers 4th
Fourth graders determine a way to place numbers in the nine circles that are arranged in a triangular pattern so that each side has an equal sum. They use each number once and practice adding single digit numbers.
Lesson Plan
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Number in Geometry

For Teachers 2nd - 3rd
Learners use a number line to assist with their additions. They use a calculator to check for factors. Students are taught factors and multiples. They use array model of multiplication to define meaning. Learners develop a wide range of...
Worksheet
Curated OER

Football Statistics

For Students 6th - 8th
In this math instructional activity, middle schoolers examine the statistical information as provided in the graphic organizer and calculate the other values.
Worksheet
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Add Decimal Tenths [D]

For Students 4th - 5th
In this decimal addition instructional activity, students solve a total of 32 problems. All problems add tenths. Answers included on page 2.
Worksheet
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Add Decimal Tenths [B]

For Students 4th - 5th
For this decimal addition worksheet, learners solve a total of 32 problems. All problems add tenths. Answers included on page 2.
Worksheet
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Add Decimal Tenths [C]

For Students 4th - 5th
In this decimal addition activity, students solve a total of 32 problems. All problems add tenths. Answers included on page 2.
Worksheet
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Add Decimal Tenths [E]

For Students 4th - 5th
For this decimal addition worksheet, learners solve a total of 32 problems; all problems add tenths. Answers included on page 2.
Worksheet
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Add and Subtract Decimal Ten Thousandths [D]

For Students 4th - 5th
In this decimal activity, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
Worksheet
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Add and Subtract Decimal Ten Thousandths [F]

For Students 4th - 5th
In this decimal activity, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
Worksheet
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Add and Subtract Decimal Ten Thousandths [E]

For Students 4th - 5th
For this decimal worksheet, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
Worksheet
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Add and Subtract Decimal Ten Thousandths [G]

For Students 4th - 5th
In this decimal worksheet, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
Worksheet
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Add and Subtract Decimal Tenths [D]

For Students 3rd - 4th
In this decimal learning exercise, students add and subtract a total of 32 problems using decimal tenths. Answers included on page 2.
Worksheet
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Add and Subtract Decimal Tenths [J]

For Students 4th - 5th
In this decimal worksheet, students add or subtract a total of 32 decimal tenths. Answers and a link to additional worksheets are included.
Lesson Plan
Curated OER

Finding Sales Tax

For Teachers 7th
Seventh graders investigate sales tax. Following a teacher demonstration, they find sales tax and the total cost of items. In groups, classmates choose items from a menu that they would like to purchase. Each student figures the sales...
Lesson Plan
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All About Ratios

For Teachers 5th - 8th
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
Worksheet
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Multiplication Two Digit by Three Digit Numbers

For Students 4th - 7th Standards
In this multiplication worksheet, learners multiply two digit numbers by three digit numbers. Students complete 30 multiplication problems.
Worksheet
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Multiplying Three Digit Numbers

For Students 4th - 7th Standards
In this multiplication worksheet, students multiply three digit numbers by three digit numbers. Students complete 24 multiplication problems.
Lesson Plan
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Time Management

For Teachers 6th - 9th
Students plot activities for a 24 hour day. They record their information on a spread sheet program. Students list categories they use and write equations for cells that add cells of each category together. Students create a pie chart of...
Lesson Plan
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Quilting with Middle School Students: Using Proportionality to Develop Quilt Designs

For Teachers 7th - 9th
Learners use quilt patterns to illustrate ratios. In this fractions activity, students color quilt patterns using given fractions and ratios of colors. A finished "quilt" is assembled from the work of the learners. This is an...
Interactive
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Estimating and Rounding

For Students 6th - 7th
In this estimation and rounding worksheet, students solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.
Lesson Plan
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Cold Hard Facts? What Inquiring Minds Will Know -- Inquiry-Based Ice Investigations

For Teachers 3rd - 8th
Students are introduced to the concepts of perimter, diameter, circumference and measurements. In groups, they complete two worksheets in which they determine if the ice dimensions make a difference in the way it floats. They discuss...
Worksheet
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Division: 4-Digit by 2-Digit

For Students 4th - 5th Standards
In this division worksheet, students complete 18 problems, dividing 4 digit numbers by 2 digit numbers. Worksheet includes link to answers and additional worksheets.
Worksheet
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Division: Three Digit by Two Digit

For Students 4th - 5th Standards
In this division problem, learners solve for the quotients in 24 three digit by two digit division problems. They use the long division method to find each quotient.
Worksheet
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Multiplication: 4-Digit by 2-Digit

For Students 4th - 5th Standards
In this multiplication worksheet, students complete 24 problems, multiplying 4-digit numbers by 2-digit numbers. Page contains links to answers and additional worksheets.