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Worksheet
Curated OER

Estimate Sums

For Students 3rd - 5th
In this estimating sums worksheet, students round numbers to the greatest place and then add them to solve 23 problems. Students also solve 2 test prep questions.
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Worksheet
Curated OER

Estimate Sums

For Students 2nd - 3rd
In this estimating sums worksheet, students solve the six word problems using the information within the problem to estimate the sums.
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Lesson Plan
Curated OER

Discover the Pythagorean Theorem

For Teachers 6th - 8th
Pupils explore the Pythagoras theorem. In this geometry instructional activity, students make right triangles and identify the parts of the triangle. Pupils complete measurements of the sides of the triangle.
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Worksheet
1
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TLS Books

Halloween Math Maze: Worksheet 1

For Students 2nd - 4th
After solving the twenty-six addition problems on this ghostly instructional activity, your class must find the path to the haunted house. By following the even-numbered sums, they will find the way! Answers are provided.
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Handout
Charleston School District

Pythagorean Theorem and Converse

For Students 8th Standards
You've heard that it is true, but can you prove it? Scholars learn the Pythagorean Theorem through proof. After an overview of proofs of the theorem, learners apply it to prove triangles are right and to problem solve. This is the second...
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Worksheet
Curated OER

Math Squares

For Students 1st - 2nd
It's Sudoku for beginners! Well, not exactly, but these math squares offer a fun way to practice addition for your students. Each of the sixteen 3x3 squares has four numbers filled in. Scholars add the numbers across and down, then use...
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Worksheet
Curated OER

Apple Addition - To Sums of 10

For Students 1st - 2nd
In this addition worksheet, students add columns of one-digit numerals. They write their answer in the apple provided below the addition equation. There are 25 problems on a page and four pages are provided. Sums are not greater than 10....
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Worksheet
Curated OER

Estimate Sums

For Students 3rd - 5th
In this estimating sums worksheet, students solve 6 word problems where they estimate the sum of 3 digit numbers by rounding to the nearest 10, 100 or 1000.
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Worksheet
Curated OER

Understanding and Computing Riemann Sums

For Students Higher Ed
In this Riemann sum activity, students use the Riemann sum to determine the volume of a square pyramid and the estimates of area around a circle. This four-page activity contains 18 problems.
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Worksheet
Curated OER

Hands On: Find Decimal Sums and Differences

For Students 4th - 7th
In this finding decimal sums and differences practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
Curated OER

Quiz: 15 Estimating Fractions Sums and Differences

For Students 5th - 6th
In this estimating fraction sums and differences instructional activity, students complete a total of 15 problems. Answers are included on page 2. Labeled as quiz but suitable for practice.
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Worksheet
Curated OER

Estimate Sums and Differences

For Students 4th - 7th
In this estimating sums and differences practice worksheet, students sharpen their problem solving skills as they solve 6 story problem.
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Worksheet
Curated OER

Sums to 50

For Students 2nd - 3rd
In this addition worksheet, students solve 6 word problems. All problems use sums through the number 50. The addition problems necessary is set up in the first 2 problems as a guide.
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Lesson Plan
Curated OER

Exploring the Area Under a Curve

For Teachers 9th - 12th Standards
Using TI-89, mathematicians explore and investigate Riemann sums to estimate the area under the graphs of intervals by drawing and illustrating rectangles. They review and practice the concepts of summation notation and area formulas to...
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Worksheet
Math Mammoth

Triangles 1

For Students 5th - 9th
In this triangles worksheet, students measure and calculate the measurements of eight triangles, their sums and classify the triangles as acute, obtuse or right.
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Worksheet
Curated OER

Pythagorean Theorem

For Students 9th - 10th
In this Pythagorean theorem worksheet, learners solve and complete 20 different problems that include using the Pythagorean theorem to solve them. First, they use the Pythagorean theorem to determine the value of x in each right...
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Worksheet
Curated OER

Discussion Sheet 1: Sums, Midpoints

For Students 12th - Higher Ed
In this sums worksheet, students evaluate sums, estimate total mass, determine left and right endpoints and midpoints of the subdivision. This one-page worksheet contains fifteen problems.
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Lesson Plan
Willow Tree

The Pythagorean Theorem

For Students 8th - 11th Standards
There isn't a more popular geometry formula than the Pythagorean Theorem! Learners understand the special side relationships in a right triangle. They use the Pythagorean Theorem to find missing sides and to solve problems. They begin...
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Assessment
Inside Mathematics

Circles in Triangles

For Teachers 9th - 12th Standards
Challenge the class with inscribed circles in triangles. The assessment task requests class members use their knowledge of circles and right triangles to prove two triangles are congruent. They go on to utilize their knowledge of...
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Lesson Plan
West Contra Costa Unified School District

Pythagorean Theorem and Its Converse

For Teachers 9th - 12th Standards
Challenge scholars to prove the Pythagorean Theorem geometrically by using a cut-and-paste activity. They then must solve for the missing sides of right triangles.
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Lesson Plan
1
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Curated OER

Sum of Infinite Geometric Series

For Teachers 9th - 12th Standards
Your mathematicians solve problems using geometric series in this pre-calculus lesson. They divide a unit square into very small pieces and identify the reasoning behind the sum of a series being less than one.
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Worksheet
Curated OER

The Right Angle

For Students 11th
In this algebra instructional activity, 11th graders solve word problems creating a right triangle. Students determine the point and direction this turn of ninety degrees occurs. There are 4 questions with an answer key.
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Lesson Plan
Curated OER

Right Triangles

For Teachers 7th - 8th
In this right triangles worksheet, students solve and complete 2 different types of problems. First, they take the case of an isosceles right triangle with a given leg and hypotenuse. Then, students find the sum of the squares of the...
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Lesson Plan
Curated OER

Helping Right Whales - Right Now

For Teachers 4th - 5th
In this whales worksheet, students answer eight questions referring to the right whales found in the Atlantic Ocean. Students read a map to answer three questions and five questions are multiple choice.