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Worksheet
Curated OER

Squares, Shaded Area

For Students 9th - 12th
In this secondary mathematics instructional activity, students are provided with a figure that consists of squares and isosceles triangles and must determine the percent of the figure that is shaded. The one page instructional activity...
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Worksheet
Curated OER

Lengths of Horizontal and Vertical Line Segments

For Students 5th - 7th
Use this lengths of horizontal and vertical line segments practice worksheet to have learners sharpen their problem solving skills as they solve six story problems.
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Worksheet
Curated OER

Identifying Triangles

For Students 4th - 6th
In this triangle worksheet, students label triangles as acute, right, obtuse, scalene, equilateral or isosceles. A reference web site is given for additional activities.
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Worksheet
Curated OER

Identify Triangles

For Students 5th - 6th
In this triangle worksheet, students identify triangles as either, right, acute, obtuse, equilateral, scalene or isosceles. A reference web site is given for additional activities.
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Worksheet
Curated OER

Identify Triangles #

For Students 4th - 6th
In this triangle worksheet, learners identify triangles as scalene, equilateral, right, obtuse, acute or isosceles. A reference web site is given for additional activities.
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Worksheet
Curated OER

Identify Triangles #2

For Students 5th - 6th
In this triangle worksheet, students identify a set of 4 triangles as either equilateral, isosceles or scalene. A reference web site is given for additional activities.
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Worksheet
Curated OER

Identify Triangles

For Students 4th - 6th
In this triangle activity, students identify a set of triangles, labeling as equilateral, scalene or isosceles. A reference web site is given for additional activities. 
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Worksheet
Curated OER

Identify Types of Triangles

For Students 4th - 6th
In this triangle instructional activity, students identify triangles as either equilateral, scalene or isosceles. A reference web site is given for additional activities.
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Worksheet
Curated OER

Pythagorean Theorem

For Students 8th - 9th
In this Pythagorean Theorem worksheet, learners determine the length of a missing side of triangles. They read story problems, draw diagrams, and use the Pythagorean Theorem to solve real life problems. This one-page worksheet contains...
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Lesson Plan
Curated OER

Spatial Relations - Week 9

For Teachers 10th - 12th
In this spatial relations worksheet, young scholars identify the number of triangles in a given figure, identify the number of cubes that a plane intersects, and determine the number of line segments in a given cube. This three-page...
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Worksheet
Curated OER

Geometric Shapes and Angles

For Students 10th
In this geometry worksheet, 10th graders review polygons and solve for the missing angles of trapezoids and isosceles triangles. There are 10 questions on this worksheet with an answer key.
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Worksheet
Curated OER

Identifying Types of Triangles

For Students 5th - 6th
In this triangle worksheet, learners check the appropriate label for triangles: right, acute, obtuse, scalene, isosceles or equilateral. A reference web site is given for additional activities.
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Worksheet
Curated OER

Identify Triangles

For Students 4th - 6th
For this triangle worksheet, students check the correct answer, identifying triangles as either right, obtuse, acute, scalene, isosceles or equilateral. A reference web site is given for additional activities.
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Worksheet
Curated OER

Pre-Proof Warm-Ups

For Students 10th
In this pre-proofs worksheet, 10th graders solve and complete 10 different problems that include various proofs and their definitions. They use the diagram shown and the given information to write the direct conclusion for each case....
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Lesson Plan
Curated OER

Review Geometry - Week 8: (Triangles)

For Teachers 10th - 12th
In this triangle worksheet, students determine the length of the sides of a triangle, perpendicular lines, and the area of triangles. This two-page worksheet contains eight problems.
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Worksheet
Curated OER

The Triangle Problem

For Students 10th
In this geometry learning exercise, 10th graders identify different parts of a scalene triangle and calculate the length of different segments. There is one question with an answer key.
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Worksheet
Curated OER

Geometry Puzzle

For Students 2nd - 3rd
In this geometry puzzle worksheet, students identify and complete a puzzle that includes 7 different geometrical shapes. They identify and name each shape listed at the bottom. Then, students label every shape in the puzzle with the...
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Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 3

For Students 3rd Standards
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently. 
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 4

For Students 4th Standards
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
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Worksheet
Curated OER

Perimeter and Coin Problems

For Students 9th - Higher Ed
In this writing algebraic equations worksheet, students write the equation and solve the given word problems. There are 14 perimeter and 12 coin problems. Answers are on the bottom of the pages.
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Worksheet
Curated OER

Angles

For Students 6th - 7th
In these angles worksheets, students complete several activities for angles. Students complete 34 problems about angle measurement.
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Worksheet
Curated OER

Interior and Exterior Angles of Polygons

For Students 10th
In this angles of polygons worksheet, 10th graders solve and complete 18 different problems that include determining various interior and exterior angles. First, they determine the measure of various angles described in the first half of...
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Worksheet
Curated OER

Find the Area

For Students 10th
In this find the area worksheet, 10th graders solve and complete 18 different types of problems. First, they find the area of a figure with consecutive sides. Then, students find the area and perimeter of a square shown. They also find...
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Activity
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Curated OER

Inscribing a Hexagon in a Circle

For Teachers 9th - 11th Standards
This activity is a follow-on activity to inscribing a square in a circle. The overall problem is more complex. It deals with geometric constructions, properties of triangles, and regular hexagons. The final part of the activity finds the...

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