CK-12 Foundation
Identifying Sets of Pythagorean Triples: Matching Problem
What sets of whole numbers make up the measures of side lengths in right triangles? Pupils use an interactive triangle to learn about Pythagorean triples. Individuals find missing values in triples and learn more about Pythagorean...
Corbett Maths
Constructing ASA Triangles
The narrator of a short video explains the steps in constructing a triangle given the measure of two angles and the length of the side between the angles. The resource provides opportunities for pupils to practice the skill with two...
Radford University
Developing a Trigonometry Phone App
What's one more app? After reviewing how to calculate missing side lengths or angle measures in a right triangle, pupils create instructions for a phone app to do all of the tedious work. They must consider all nine cases of known...
Pennsylvania Department of Education
Length and Perimeter
Third graders explore tessellations and the spatial concepts used in creating them. For this tessellations lesson, 3rd graders rotate, reflect and transform shapes to create tessellations. Students become familiar with the vocabulary...
Curated OER
The Is No Such Thing as a Perfect Pumpkin
Students explore using descriptive words to describe physical appearance. In this appearance lesson, students look at pumpkins and discuss how there is not a perfect pumpkin. Students also hypothesize about what the perfect pumpkin's...
Curated OER
Changing Twines: Exploring Area and Perimeter
Third graders review formulas for area and perimeter in quadrilaterals. They arrange pre-cut twine on a centimeter graph paper to create non-congruent quadrilaterals. They calculate the perimeter and area of each form.
Curated OER
How Big?
For this length and width worksheet, 2nd graders draw 6 specific items or objects that are the following measurements: 6 feet tall, 3 inches long, 9 inches long, 1 inch wide, 25 feet long and 4 feet long.
Curated OER
How Far Along Each Line Are The Arrows?
In this how far along each line are the arrows worksheet, students determine the length on sixteen different lines. Students show the percentage and/or decimal equivalent of their answers to each line.
Curated OER
Teddy Bears and Friends
Children begin by making direct comparisons between objects and putting a number of objects into order according to length. They are also introduced to measuring with multi-link cubes which allows them to compare objects which cannot be...
Utah Education Network (UEN)
It's All Just Similar to Me
Middle schoolers explore the concept of similar figures. In this similar figures lesson, pupils calculate scale factors of similar triangles. They find missing sides of triangles, and measure angles using protractors and measure sides of...
Curated OER
Popcorn
Hungry learners perform a number of popcorn investigations. They investigate the volume of popcorn kernels before and after popping. They use both standard and non-standard units of measurement to measure the kernels.
Curated OER
Making Benchmarks - Mass
Elementary schoolers predict the mass for different objects. Then, using objects of 1kg mass, they make a more precise prediction. Afterwards, they discuss the need for having and using standard measures of mass.
Curated OER
Basic Trigonometric Ratios
In this trigonometric ratio worksheet, students determine the length of a side of a right triangle, or the measurement of angles using trigonometric ratios. This one-page worksheet contains 24 problems. Answers are provided at the bottom...
Curated OER
A Measuring Tug
Fourth graders participate in a length and measurement tug-of-war game. They try and pull the rope as many feet as the teacher has marked, calling out their measurement when one side has succeeded.
Curated OER
Measurements Around the Classroom
Third graders practice measuring items by examining classroom objects. In this geometry lesson plan, 3rd graders utilize measuring tools to find the weight, time, length or temperature of specific classroom items. Students predict the...
Curated OER
"Math Curse" by Jon Scieszka & Lane Smith
Students use estimation and measurement skills to make predictions and solve problems involving length.
Curated OER
Problem Solving: Draw a Diagram
This problem solving PowerPoint presents a detailed, logical sequence of steps to follow in order to solve a story problem. The thinking processes described are given in text and represented by a visual model. After discussing the...
Curated OER
Robo Ruler
Students calculate measurements using different units and fractions. For this algebra lesson, students measure the path that a robot drives. They use a piece of sting to do their measurement and calculate the circumference of the robot's...
Curated OER
Customary Units of Length
In this mathematics worksheet, 5th graders identify which is the larger unit, inches or feet. Then they use the chart to help them in solving the problems listed. Students also identify whether they multiply or divide for each answer.
Curated OER
Perimeter: Practice
In this perimeter activity, students find the perimeter or the missing length for each rectangle. Students then complete the chart by writing the formula and finding the perimeter. Students finish with two test prep questions.
Curated OER
Oranges and Stopwatches
Students measure various attributes of an orange. They discuss the attributes of an orange that can be measured, develop a list of attributes and describe how they can measure it, and rotate through four stations measuring the volume,...
Curated OER
The Corner Problem
Young scholars explore the concept of the corner problem. In this corner problem lesson, students use the TI-NSpire to determine the maximum length a rod can be and still pass horizontally around a corner. Young scholars use similar...
Curated OER
Understanding Length and Height
For this mathematics worksheet, 1st graders read each word problem and follow its instructions. They identify shorter and taller and compare certain objects to each other.