Curated OER
Group Isomorphisms
Students identify and apply properties of triangles. In this geometry instructional activity, students define equilateral triangles by sides and angles. They build cardboard triangles as they study properties of triangles.
Shodor Education Foundation
Replacement and Probability
Middle and high schoolers explore the concept of probability. In this probability lesson, learners conduct an experiment with a bag of marbles. Pupils draw marbles from a bag and determine the probability of drawing a particular color...
Curated OER
Graphing Integers
Fifth graders explore the math concept of graphing integers. In this graphing integers instructional activity, 5th graders examine visual examples. Students also practice solving problems that their instructors model.
Curated OER
Roots and Radical Expressions
In this Algebra II worksheet, 11th graders simplify radical expressions. The two page worksheet contains explanation, worked example, and three practice problems. Answers are not included.
Raytheon
Adding and Subtracting Fractions
In this adding and subtracting fractions learning exercise, learners add and subtract fractions including mixed numbers and negatives. Students complete 62 problems.
Curated OER
Understanding Equivalent Fractions
In this understanding equivalent fractions worksheet, 5th graders use a computer program for instruction, then answer 15 questions about equivalent fractions.
Curated OER
Working With Decimals
In this decimal worksheet, students continue patterns, complete word problems, work with number lines and round decimals. A website reference is given for additional resources.
Curated OER
Visualize 3-D Objects and Make Nets of Common Solids
Prisms are the focus of this geometry worksheet. Students count the number of parts of a prism and chart 26 answers. Vocabulary such as: "faces," "edges," and "verticies" are taught. A well-designed math worksheet!
Curated OER
Using Inverse Operations
Fourth graders demonstrate inverse operations by playing a card game. In this inverse operations lesson, 4th graders work in small groups with a deck of cards. Two players draw cards but do not look at them. The recording student...
Curated OER
Decode Word Is..
Young scholars solve problems using patterns. In this algebra lesson, students identify the relation, domain and range of a function. They graph functions using coordinate pairs.
Curated OER
Calculating Areas for the Caged Animals At Miami Metrozoo
Seventh graders calculate the area of certain cages at the Miami Metrozoo after observing a teacher demonstration.