Curated OER
Area of Triangles - Word Problems
Here is an area of triangles practice worksheet in which learners sharpen their problem solving skills as they solve six story problems.
Curated OER
Classify Triangles
Here is a classifying triangles practice activity in which learners sharpen their problem solving skills as they solve six story problems.
Curated OER
Area of a Triangle: English Learner 16.4
In this ELL triangle instructional activity, students review the definition of a triangle and then draw dotted lines to show the height of each figure. If one side is the height, students circle that side.
Curated OER
Patterns in Pascal's Triangle
Students examine the patterns in Pascal's Triangle. In this recognizing instructional activity, students view a model of Pascal's Triangle and describe the patterns of the multiples. Students identify the shapes that are made within...
Curated OER
Area Of Triangles 2
Use this math worksheet to have learners complete six problems where they find the area of triangles by multiplying the base times the height and dividing by 2. Examples are given in this well-designed worksheet.
Bowland
Rods and Triangles
Scholars explore triangles with rods of different lengths. Using rods of 2, 4, 6, 8, and 10 cm class members build as many different types of triangles as they can. They also describe properties of these triangles and determine...
Illustrative Mathematics
Same Base and Height, Variation 2
This is a good model for learners to visualize triangles of the same base and height. They can can begin to comprehend that these triangles will have the same area no matter how the triangle is drawn. It is part of a series of resources...
Illustrative Mathematics
Base and Height
It is easy to find the area of a triangle where the base and the height are given. But in this resource, it is up to your geometers to identify the base and height of the triangle. In fact, your pupils will learn that there are three...
Balanced Assessment
Triangle in Circle
Even kindergartners can draw triangles in circles, but the assessment task requires a bit more geometric knowledge. Scholars investigate triangles that have a diameter of a circle as one of its sides. They must consider triangles that...
Curated OER
Find the Perimeter of Triangles
In this perimeter worksheet, students calculate the perimeter of various different triangles. There are four problems to solve.
Curated OER
Classifying Triangles
In this classifying triangles instructional activity, 6th graders write the type of triangle, acute, right or obtuse, for 9 pictures of triangles, answers included.
Curated OER
Triangles
Learners identify triangles in the real world and construct their own triangle using drinking straws. They explore abstract triangles and find additional geometric shapes such as trapezoids. Students discuss similar shapes and examine...
Math Wire
How Many Winter Paths Do You See?
Is the path through December, January, and February the only path through winter? Not in a holiday math activity based on Pascal's Triangle! Middle schoolers study a triangle made of the letters from the word winter and decide how many...
World Mysteries
Pascal’s Triangle and Sierpinski Triangle
Your learners will enjoy this one-page, color-coded poster containing Pascal's triangle and its connection to Sierpinski's triangle. By coloring odd numbers orange and even numbers green on Pascal's triangle a pattern evolves,...
Raytheon
Understanding Triangles
In this understanding triangles worksheet, learners read 6 pages of examples and explanations about identifying triangles, determining length of sides and degrees of angles, including the hypotenuse, then answer 28 questions, answers...
Math Mammoth
Triangles 1
In this triangles worksheet, learners measure and calculate the measurements of eight triangles, their sums and classify the triangles as acute, obtuse or right.
Curated OER
Hands On: Construct Triangles and Rectangles
In this congruent triangles and rectangles learning exercise, students solve 6 word problems where they identify whether triangles and rectangles are congruent, and construct triangles. Students must explain their reasoning and prove...
Curated OER
Triangles
In this triangles worksheet, students solve six word problems where they determine the angles measures in different triangles.
Curated OER
Angles, Triangles, Quadrilaterals, Circles and Related
Students classify angles. In this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Students participate in a manipulative...
Math Mammoth
Calculating Angles in a Triangle 2
In this geometry worksheet, students calculate unknown angles in diagrams of 3 triangles. They draw and answer short answer questions about angles. They then calculate the designated angles in 2 more diagrams.
Curated OER
Right Triangles
Learners classify triangles and make connections regarding angle measurements and attributes of acute, right, and obtuse triangles. They listen to teacher define and explain triangles. Everyone imagines a place where a broken wing for a...
Math Mammoth
Classify The Triangles
In this math worksheet, students measure all the angles in these triangles. They also calculate the sum of the angles and classify the triangles.
Curated OER
Transforming Triangles
Sixth graders graph translations (slides) and reflections (flips) on a coordinate plane. They visualize and identify geometric shapes after applying transformations on a coordinate plane. Finally, 6th graders write a paragraph telling...
Math Mammoth
Area Problems/ Triangles
In this math activity, students find the area of each triangle that is described in the word problem. They calculate the area through using the formula of 1/2 Base X Height.
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