+
Worksheet
Curated OER

Timed Math Competition

For Students 4th - 6th
In this timed math competition worksheet, students add, subtract, multiply, divide, find the pattern, add fractions and measure angles in a timed game.
+
Lesson Plan
EngageNY

Putting the Law of Cosines and the Law of Sines to Use

For Teachers 11th - 12th Standards
Use the Law of Cosines and the Law of Sines to solve problems using the sums of vectors. Pupils work on several different types of real-world problems that can be modeled using triangles with three known measurements. In the process,...
+
Assessment
Noyce Foundation

Pizza Crusts

For Teachers 6th Standards
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
+
Instructional Video1:47
Corbett Maths

Constructing SAS Triangles

For Students 8th - 11th Standards
Two sides and an angle ... a triangle it makes. Given the measure to two sides and the angle between them, the narrator of a short video shows how to draw a triangle with a ruler and protractor. Pupils use handouts to practice the newly...
+
Worksheet
Mt. San Antonio Collage

Inequalities in a Triangle

For Students 9th - 12th Standards
Stuck with triangle proofs? Take a 180° and provide learners with a guided worksheet that tests their knowledge with triangle inequalities. The questions require different types of proofs that range in levels of difficulty. 
+
Worksheet
Curated OER

Angles and Parallel Lines

For Students 8th - 10th
For this geometry worksheet, students identify the interior and exterior angles of parallel lines cut by a transversal. There are 11 questions with an answer key.
+
Worksheet
Curated OER

Understanding Angles

For Students 9th - 11th
In this geometry worksheet, students identify the different measure of each angle. They rotate the rays around and make observations about the angles formed. There are 15 questions and lots of examples.
+
Worksheet
Curated OER

End of the Year Math Terms

For Students 4th
In this end of the year math test instructional activity, 4th graders complete problems including addition, division, measurement, decimals, and more. Students complete 22 problems. 
+
Worksheet
Curated OER

Missing Angles

For Students 10th - 11th
In this missing angle learning exercise, students use trigonometry ratios to determine the measurement of a missing angle. Students identify sine, cosine and tangent ratios. This one-page learning exercise contains ten problems.
+
Interactive
Curated OER

Grade 3 Math-Advanced 5

For Students 3rd
In this grade 3 math worksheet, 3rd graders answer a set of 20 'advanced' multiple choice questions covering a variety of concepts. Answers may be checked online.
+
Worksheet
Curated OER

Seventeen Math Regents Exam Pythagorean Theorem Questions

For Students 8th - 10th
In this Pythagorean Theorem activity, students solve seventeen Math Regents Exam questions using the Pythagorean Theorem.  The solutions are provided.
+
Worksheet
Curated OER

Estimating, Measuring and Naming Angles

For Students 5th - 6th
In this angle activity, students first estimate, then measure within 15 degrees and name a set of 3 angles. A reference web site is given for additional activities.
+
Worksheet
Math Mammoth

Triangles 1

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

Triangle Similarity

For Students 10th
In this triangle similarity activity, 10th graders solve and complete 12 different problems that include defining similar and 3 similar statements using only sides and angles. First, they determine if each pair of triangles shown are...
+
Worksheet
Curated OER

Intersecting Planes

For Students 10th
In this intersecting planes worksheet, 10th graders solve and complete 27 various types of problems. First, they use the diagrams at the right to answer each of the questions. Then, students measure each angle shown and classify them as...
+
Worksheet
Curated OER

Triangles

For Students 10th
In this triangles worksheet, 10th graders solve and complete 22 different problems related to various types of triangles. First, they name the shortest and longest sides and the smallest and largest angles in each of triangles...
+
Worksheet
Curated OER

Geometry Review

For Students 10th
For this geometry review worksheet, 10th graders solve and complete 33 different problems that include identifying various geometric figures and parts of a circle. First, they find the radius of each circle given its diameter. Then,...
+
Worksheet
Curated OER

Naming Angles

For Students 5th - 7th
In this geometry instructional activity, students solve 6 problems in which an angle is analyzed. From 5 choices, students circle the correct math symbol that names the angle. There are no examples or explanations for the symbols, which...
+
Interactive
Curated OER

Polygons Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students identify the interior and exterior angles using the angle sum theorem. They identify and solve quadrilaterals using properties of quadrilaterals. There are 12 questions with an answer key.
+
Worksheet
Curated OER

Quadrilaterals and Other Polygons: Practice

For Students 5th - 6th
In this polygons worksheet, students classify each polygon in as many was possible. Students then write polygon or not a polygon to classify each figure. Students find the measure of the missing angles and complete two test prep...
+
Worksheet
Curated OER

More Congruent Triangles

For Students 10th
In this congruent triangles learning exercise, 10th graders solve 6 various forms of problems that include a proof and a word problem. First, they draw and label triangles and indicate the additional pairs of corresponding parts that...
+
Worksheet
Curated OER

Trapezoids and Kites Multiple Choice

For Students 9th - 12th
In this trapezoids worksheet, students solve 6 multiple choice problems. Students find the lengths of the bases of a trapezoid given a ratio and median length. Students find unknown angle measures of kites and trapezoids given a sketch.
+
Worksheet
Curated OER

Lesson 3.4 Practice A: Theorems and Postulates

For Students 10th - 12th
In this theorem and postulate worksheet, students identify theorems and postulates that justify given statements. They determine the measure of specified angles. This two-page worksheet contains a total of 37 problems. These two...
+
Worksheet
Curated OER

Tests for Parallelograms

For Students 10th
For this geometry worksheet, 10th graders state the theorem used to determine if the given quadrilateral is a parallelogram and find the indicated missing angle measures and side lengths.  The two page worksheet fifteen questions....