+
Worksheet
Curated OER

Drawing Plans to Scale

For Students 8th - 10th
In this drawing plans to scale worksheet, students examine how to convert small scale drawings to real life plans. They work with perimeters and areas when given the scale ratio. They complete 7 multi-step questions. They enter the...
+
Worksheet
Curated OER

Similar Figure Word Problems

For Students 9th - 11th
In this algebra worksheet, students rewrite word problems using algebraic terminology and solve problems dealing with ratios. There are 12 problems with an answer key.
+
Worksheet
Curated OER

Infinite Geometric Series

For Students 10th - 12th
For this geometric series worksheet, students examine a given geometric series to determine if the series converges or divergeas.  They evaluate and determine the common ratio of a geometric series.  This four-page worksheet contains 28...
+
Worksheet
Curated OER

Black Holes....II

For Students 8th - 10th
In this black hole instructional activity, students use the equation for time dilation to solve 8 problems including determining the time it takes to receive a GPS signal from space, the time delay for the GPS-Earth system, the distance...
+
Worksheet
Curated OER

The Relative Sizes of The Sun and Stars

For Students 9th - 12th
In this relative sizes of the sun and stars worksheet, high schoolers determine the relative sizes of the Earth, Jupiter, the Sun and other stars. Students compare the size of stars given ratios of one star to another.
+
Lesson Plan
Curated OER

The Vitruvian Theory - Does It Apply to You?

For Teachers 8th - 10th
Students explore the concept of the Vitruvian theory.  In this Vitruvian theory lesson, students collect data from their classmates about their arm span and height.   Students compare their ratios of arm span to height with Leonardo Da...
+
Lesson Plan
Curated OER

3.14159265

For Teachers 9th - 12th
Students discover the value of Pi.  In this value of Pi lesson, students measure the circumference and diameter of various circles on their graphing calculator.  Students find the ratio of the circumference to the diameter and plot the...
+
Lesson Plan
Curated OER

Roofing and Right Triangles

For Teachers 9th - 11th
Students use models and symbols to represent properties of the Pythagorean Theorem. For this right triangle lesson, students connect real jobs to properties of right triangles. They solve word problems applying the correct ratios and...
+
Worksheet
Curated OER

Tricky Triangle

For Students 9th - 12th
In this triangle instructional activity, students solve 1 word problem about the lengths of a triangle. Students determine the length of the longest side given the ratio of the angle measures.
+
Worksheet
Curated OER

Precalculus Test Sections 5.1 - 5.2

For Students 10th - 12th
In this section worksheet, students simplify given addition and division problems containing ratios with sine, cosine, and tangent.  They factor problems and prove identities.  This two-page worksheet contains 12 problems.
+
Worksheet
Curated OER

Trigonometry Puzzle

For Students 8th - 12th
In this trigonometry worksheet, students solve for the degree or the ratio in 48 questions using the 6 basic trigonometric functions. 
+
Lesson Plan
Curated OER

Trigonometry

For Teachers 10th - 12th
Students investigate angles converting them from radians to degrees. For this trigonometry lesson, students work with angles and the six different trig ratios. They graph the functions representing each trig functions and identify the...
+
Lesson Plan
Curated OER

Unit Circle Lesson Plan

For Teachers 11th - 12th
Students identify different locations on a unit circle. In this precalculus lesson, students identify the different trig properties and rewrite the equation of a circle in standard form. They use mnemonic devices to help them remember...
+
Lesson Plan
Curated OER

Indirect Measurement, Surveying Trigonometry

For Teachers 9th - 10th
Students measure distances using indirect measurements. In this geometry lesson, students apply proportion and ratios to measure heights of different objects. They differentiate between direct and indirect measurements.
+
Lesson Plan
Curated OER

Indirect Measurement

For Teachers 9th - 10th
Students measure and apply their knowledge of proportion to solve problems. In this geometry lesson, students measure using a meter stick, small mirror and measuring tape. They compare and contrast their measurements to objects outside...
+
Lesson Plan
Curated OER

Race and Gender in the Media

For Teachers 9th - 11th
Students analyze race and gender in the media. For this algebra lesson, students apply their knowledge of percents and ratios to determine the representation of race and gender in the media. They discuss and graph their data.
+
Lesson Plan
Curated OER

Solve Right Triangle

For Teachers 9th - 11th
In this trigonometric applications worksheet, students solve for the missing side of a right triangle using a trigonometric ratio. There are 46 questions, 10 of which are word problems.
+
Lesson Plan
Curated OER

Surface Area and Measuring

For Teachers 10th
Tenth graders explore volume and surface area through percentages. In this geometry instructional activity, 10th graders analyze the surface area of two and three dimensional shapes, then use percents and ratio to compare the two.
+
Worksheet
Curated OER

Tree and Pole

For Students 9th - 11th
In this algebra worksheet, students calculate the length and ratio of two objects, as they relate to each other, when solving this word problem. There is an answer key.
+
Worksheet
1
1
Curated OER

Direct Variation

For Students 9th - 11th
In this algebra worksheet, students solve equations by applying direct variation relationship. They solve problems using proportions and ratios while using direct variation. There are 3 problems with an answer key.
+
Lesson Plan
Curated OER

Perimeter Word Problems

For Teachers 10th
Tenth graders solve for the perimeter and rewrite word problems. In this geometry lesson, 10th graders label different shapes and set up the corresponding ratios as equations. They solve for the missing side and calculate the values for...
+
Lesson Plan
Curated OER

Perimeter and harder equation practice

For Teachers 9th - 10th
Learners calculate the perimeter of different shapes. In this geometry lesson, students set up the relationship of the perimeter using equations. They set up the proper ratio and solve using the distributive property. They relate...
+
Lesson Plan
Curated OER

Trigonometric Functions of Acute Right Triangles

For Teachers 9th - 11th
Students derive the six trigonometric functions. In this trigonometry lesson, students show their understanding of trigonometric functions as they relate the right triangles. They find the missing angles and side use trig ratios of sine,...
+
Lesson Plan
Curated OER

Applications of Triangles

For Teachers 9th - 11th
Young scholars apply the properties of a right triangle. For this triangle lesson, students describe and compare radians to degrees. They solve problems using the properties and ratios of a right triangle.

Other popular searches