Curated OER
Interpret Clock Time
Save yourself a few minutes of planning with this elementary math lesson plan on elapsed time. Through a series of collaborative and independent learning activities, children explore different real-world situations as they learn how to...
National Security Agency
Time After Time
Save those precious minutes and hours spent planning math lessons with this mini-unit on telling time. Offering a series of engaging hands-on and collaborative learning activities, these three lessons teach children how to read analog...