Curated OER
Algebra I: Linear Functions
Using rates from a rental car company, young mathematicians graph data, explore linear relationships, and discuss the role of slope and the y-intercept. This lesson allows for the discussion of independent and dependent variables, as...
Curated OER
Let the Rain Come Down!
Second graders construct a bar graph comparing local precipitation to that of the Yucatan. In this graphing lesson, 2nd graders will use conversions and problem solving strategies.
Curated OER
Ordinal Positions in a Sequence
Students study ordinal positions through class reading and discussion, complete an Animal Parade activity sheet and Internet activity to demonstrate knowledge about ordinal positions with 100% accuracy, and play a math computer game.
Shodor Education Foundation
Shodor Interactivate: Clock Arithmetic
Students will explore modular arithmetic in this activity. The student will set a starting value and them move the "clock" forward a number of specified hours to see the resulting sum. Included are disucssion resources, additional...
Shodor Education Foundation
Shodor Interactivate: Estimator Quiz
This activity allows the student to practice estimating the results of addition multiplication and percentage problems. The activity has 3 levels of challenge.
Illustrative Mathematics
Illustrative Mathematics: Look for and Express Regularity in Repeated Reasoning
The Standards for Mathematical Practice describe varieties of expertise that mathematics educators at all levels should seek to develop in their students. These practices rest on important 'Processes and Proficiency' with longstanding...