Curated OER
2 x 2 Linear Systems
Students graph 2x2 systems and solve them algebraically. They investigate parallel systems by solving equations.
Curated OER
Changing It Up
How should a cashier stock a cash register with coins? Learners use mathematical modeling and expected value to determine how many rolls of coins of each type they should place in a cash register.
Curated OER
My Foot and the Standard Foot
Young mathematicians put one foot in front of the other as they learn how to measure length in an elementary math lesson. Using paper cutouts of their own feet, children measure classroom objects as they discover the importance of...
Curated OER
Intro To Probability
Students investigate the concepts related to the practice of using probability. They review the use of mean, median, and mode within the context of previous instruction. Students predict outcomes and calculate them in small groups. The...
Curated OER
A Pocketful of Change
Pupils study the meaning, symbolism, and value of U.S. coins,
especially the quarter. They conduct a survey of coins in students'
possession, graphing the results to show frequency distribution and drawing
inferences about the U.S....