Curated OER
Extraordinary Compilations
Students discuss and record why people have various types of collections. They interpret the class collection of information then use details about the Morgan Dollar to understand what collection characteristics it may have.
Curated OER
Taxi Fare
Learners discuss what they know about taxis and how they charge. They read the problem and work in pairs focusing their thinking on the repeating pattern of twos. They then share their solutions and conclude with some class practice...
Curated OER
Parking Meters
Third graders are introduced to the problem with a short discussion about parking. They then solve with a partner. As they work ask questions that focus on the strategies they are using to make the calculations.
Curated OER
"ty" number
Second graders encounter the need to assess the code in English for tens is that the word ends in "-ty." They explore the meaning of two or three digit whole numbers to realize that the meaning of words like sixty can be decoded by...
Curated OER
Fifty Toes
Students guess the subject of the given problem by reasoning. Then they discuss the ways that the problem could be solved by keeping track of their counting in 10s and showing their work.
Curated OER
Exploding Numbers
Young scholars discuss how numbers increase when exponential growth is occurring. They view a video and compare exponential and linear growth with a graphing calculator.