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 using...
Water
Global Water Supply Elementary School Curriculum
Water is the focus of an interdisciplinary unit that brings awareness to its daily use around the world and the importance of conservation. Worksheets challenge scholars to match words and definitions, trace, complete a maze, and solve a...
Curated OER
Word Problems
Here is a very nice resource that presents 12 math word problems suitable for third and fourth graders. All four of the basic operations are used in these one-step problems. An answer key is provided on page two. This would make a very...
Baylor College
What Makes Water Special?
Get close up and personal with a drop of water to discover how the polarity of its molecules affect its behavior. Elementary hydrologists split and combine water droplets, and also compare them to drops of oil. Much neater than placing a...
Curated OER
Special Ed. Resource
Ways to organize data is the focus of this math PowerPoint. Students view slides that define and give descriptions of a variety of graphs, and how mean, median, and mode are found. A good visual tool which should benefit almost all types...
Curated OER
Decimals for Lower Elementary
Students investigate decimal operations, including addition and subtraction. They participate in interactive games, story problems, and math mysteries.
Curated OER
Pop-A-Top Math Game
Students play pop-a-top math game to practice solving addition, subtraction, multiplication, and division problems.
Curated OER
Compare Numbers to 100,000 (B)
Elementary schoolers use their math skills to compare 60 pairs of numbers. They fill in the 60 blanks with greater than, less than, or equal to symbols.
Curated OER
Multiplying Fractions to Ninths (I)
Elementary schoolers sharpen their math skills as they solve 10 problems that require them to multiply fractions with unlike denominators.
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Multiplying Fractions to Twelfths (C)
Elementary schoolers sharpen their math skills as they solve 10 problems that require them to multiply fractions with unlike denominators.
Curated OER
Dividing Decimals by Powers of Ten (A)
Upper elementary and middle school learners solve a number of problems by dividing decimals by powers of ten. There are 45 problems to solve on the sheet.
Curated OER
Math Investigations
Students demonstrate how math is used in everyday life. In this math investigation lesson, students develop a class-list of ways they use math everyday. Students define math vocabulary words, such as "counting," "daily life," and "measure."
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Addition
Explore the concept of number bonds with your young elementary students. They will become familiar with the number bonds to 10, 20, and 100, and then play games to practice these skills. This is a differentiated lesson which includes an...
Curated OER
Math is Beautiful
Students explore how geometry is used on the composition of artworks by artists from different cultures. This lesson is equally suited for a Math or Art classroom at the late-elementary or early-middle school level.
Curated OER
How Much Has Math Changed?
Students solve problems using the opposite, reciprocal and powers. In this algebra instructional activity, students solve problems with inequalities and absolute values. They show understanding of the basic content of math in this...
Curated OER
Math Challenge
Students, using laminated math flash cards, play a review game with a partner. Also using Polyspots, they run, walk, or skip to the board with their answers.
Curated OER
Millie's Math House Lesson Plan
Students count, match and arrange unordered fixed objects. Millie's Math House Cookie Factory educational software is used in this lesson.
Curated OER
Using Math with Sale Papers
Fifth graders estimate their results and then prove through calculations. In this math lesson, 5th graders solve problems using multiplication, division, addition, and subtraction. They also use mental math to solve their problems.
Curated OER
Cuisenaire Rods And Math
Learners find the least common multiple of several given numbers using Cuisenaire rods. Previously taught math skills are reinforced by using Cuisenaire rod games, puzzles and or activities.
Curated OER
Math Circuit
Students develop fitness levels and reinforce specific sports skills while integrating basic math.
Curated OER
Online Interactive Math: Upper Elementary: Mixed Skills
In this online math worksheet, students complete a 20 problem multiple choice online interactive worksheet with mixed skills including geometry, rounding, and three digit multiplication.
Curated OER
Elementary Statistics in Life
Students examine newspapers for graphs. They collect and sort data that is of interest to them. They enter data into a database and make comparisons using the information.
Curated OER
Even/Odd Math Dribble
Learners review math facts while interchanging dominant and non-dominant dribbling.
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