Curated OER
Infinite Secrets
Students duplicate the method that Archimedes used to estimate the value of pi. They complete a data table and find the approximate values of pi for three sets of polygons.
Curated OER
Simple Past-Positive Sentences #2
In this simple past tense instructional activity, students use words and phrases given to form positive sentences in the given tense. Answers may be submitted online for review. ESL appropriate but not exclusive.
Pennsylvania Department of Education
Fractions and Ribbons
Fifth graders solve division problems using partial quotients. In this long division lesson, 5th graders practice seeing division as a process of repeated subtraction and estimation. This lesson provides a script for the teacher.
Curated OER
Investigating the Idea of Tan
Fifth graders use tan to solve problems involving right-angled triangles. They solve equations of the form tan(8) =a, for a between 180 degrees and 360 degrees. They state the value of tan (8) in special cases.
Curated OER
Metric 1 Word Search Puzzle
In this math instructional activity, middle schoolers look for the words in the puzzle that are related to the theme of the word search. The vocabulary and spelling are emphasized.
Curated OER
Using the Pythagorean Theorem
Students apply the Pythagorean Theorem to solve real-world problems. They draw diagrams based on written descriptions to calculate the examples.
Curated OER
Atmospheric Shielding from Radiation II
In this radiation worksheet, students calculate the total shielding along several specific directions defined by the angles. This worksheet has 3 problems to solve.
Curated OER
Alfy plays "Time Flies"
Third graders use the Internet to go to a math web site to explore, practice and play time telling exercises. They play a time game by moving the clock arms to match a time presented on a button.