Open Oregon Educational Resources
Forest Measurements: An Applied Approach
Geometry—it's not just for the math classroom! Learners explore the field of forestry through a mathematical lens. An instructional resource explains how forest workers collect data about trees such as height, diameter, and age...
Math Solutions
Race to 20
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
University of California
Euclidean Geometry
Go back to where it all began! Investigate how axiomatic systems and Euclidean geometry are based on undefined terms, common notions, postulates, and propositions by examining passages from Euclid's Elements. (Social studies teachers...
02 x 02 Worksheets
Factoring
Factor in this resource when teaching how to factor polynomials. Scholars use algebra tiles to factor linear and quadratic expressions. They practice their skill by working on example problems from a worksheet.
Noyce Foundation
Circular Reasoning
Examine the origin and application of pi in five different levels. The five lessons in the resource begin with an analysis of the relationship between the radius and circumference of a circle. The following lessons lead learners through...
Noyce Foundation
Surrounded and Covered
What effect does changing the perimeter have on the area of a figure? The five problems in the resource explore this question at various grade levels. Elementary problems focus on the perimeter of rectangles and irregular figures with...
Noyce Foundation
Perfect Pair
What makes number pairs perfect? The resource provides five problems regarding perfect pairs of numbers, the definition of which changes in complexity with each task. Solutions require pupils to apply number sense and operations, as well...
Illustrative Mathematics
Modeling with a Linear Function
Here is a well-designed resource that provides five yes-or-no questions which model different situations with linear functions. It makes a good pre-test for the beginning of the unit. The purpose is to elicit common misconceptions of...
All Our Days
Duplo/Lego Tower Pattern Busy Bag
Turn young learners into pattern detectives with this fun hands-on activity. Using the included set of cards showing different block towers, children replicate each pattern with their own manipulatives while...
Albert Shanker Institute
Economic Causes of the March on Washington
Money can't buy happiness, but it can put food on the table and pay the bills. The first of a five-lesson plan unit teaches pupils about the unemployment rate in 1963 and its relationship with the March on Washington. They learn how to...
Virginia Department of Education
Rotation
Rotate this resource into your lesson plans. Scholars rotate polygons in the coordinate plane by multiples of 90 degrees. They then compare the original and new figures to develop conjectures about coordinate points after rotations.
K-5 Math Teaching Resources
Large Dominos
You may not be able to set them up and topple them over, but this set of printable dominoes can be used in a number of ways to support children's learning. A great resource for any primary grade teacher.
Center for Innovation in Education
Unifix Cubes
Support young mathematicians with building a strong foundational number-sense using this series of printable Unifix® cube strips. Adaptable to the teaching of a variety of different concepts, from basic counting and cardinality, to...
Odyssey of the Mind
Odyssey of the Mind Curriculum Activity: Mathematicus Dramaticus
The best part about this resource is that you've got four wonderful activities to choose from. Each of the projects can work together or on its own to help learners understand the history of math and how it can be seen every day. In...
Curated OER
Enhancing Our Outdoor Classroom Studies through Technology
Combine science, math, and more using this resource. Learners use technology to share video and other information about their community with people throughout the state. They learn about the environment, identifying native plants, record...
Curated OER
Addition Word Problems
Are you looking for some good addition word problems in worksheet form? Then this resource could be for you! In it, learners are given eight rather simple word problems that all require addition to solve. This is an excellent assessment,...
Teach Engineering
Photosynthesis—Life's Primary Energy Source
Wouldn't it be great if you could produce your own food? Scholars learn about the processes of photosynthesis and cellular respiration in plants. They consider how to use photosynthesis as a model of an efficient system and how to apply...
Curated OER
Curriculum Links To Numeracy
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
Curated OER
Call to Arms: A Service Project
Sick of selling candy and washing cars? How about hosting a Digital Day or a Learning Lunch? The suggestions here make fund raising fun and rewarding. Raise money to preserve important maps and other primary source documents.
Virginia Department of Education
Determining Direct Variation
Once learners realize what direct variation is, they see it's just a type of linear function. The activity poses a general question that leads to the creation of the y = kx formula. The resource includes discussion prompts and ideas for...
Virginia Department of Education
Scientific Notation
Writing a number is all in the notation. The resource introduces the class to scientific notation. Pupils learn the process of taking a very large or small number in standard form and write it in scientific notation. To practice,...
Virginia Department of Education
Field Goals, Balls, and Nets
Score a resource on ratios. Young mathematicians learn about different ways to express ratios. Using sports data, they write statements about the statistics in ratio form.
Virginia Department of Education
Surface Area of a Rectangular Prism
Wrap up a activity on surface area with a resource that asks scholars to use the idea of wrapping paper to investigate surface area. They draw representations of rectangular prisms on graph paper to find the areas of the respective...
Virginia Department of Education
Measuring Mania
Conversion immersion — it's measuring mania! A set of four activities teaches scholars to convert between customary and metric units. Resource covers unit conversions in length, temperature, weight/mass, and volume.