21st Century Lessons: A Boston Teachers Union Initiative

PARTNER PROFILE

21stCenturyLessons is an OER collaborative started by a group of teachers in the Boston Public Schools with the help and support of the Boston Teachers Union and the AFT Innovation Fund. Since 2011 we have created 160+ lessons here on ShareMyLesson. Our lessons are created by teams of expert teachers who still work in the classroom, and each comes with everything a teacher needs to deliver a great lesson.

Total lessons: 169

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(122 Ratings)

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  • Math
  • Middle School
Common Core
This lesson will start with reviewing simplifying fractions and then ask students to represent real-world situations as fractions. Students can...
  • Math
  • Middle School
Common Core
This is the first lesson of a unit series on the order of operations. This lesson is an exploration around the order of operations with practice. The...
  • Math
  • Middle School
Common Core
This lesson begins with a review of what a ratio is and has students identify various ratios for a given situation. They will also watch a short...
  • Math
  • Middle School
Common Core
This lesson is the third part of the entire unit and the first of two lessons where students will start writing algebraic expressions. This lesson is...
  • Math
  • Middle School
Common Core
Part four of the whole unit, this is the second lesson where students will continue their learning of translating written expressions and writing...
  • Math
  • Middle School
Common Core
The main focus of this lesson is for students to be able to apply their knowledge of area to real-world situations. The two primary elements of this...
  • Math
  • Middle School
Common Core
Integer Operations. This is the fourth lesson from the Number Sense unit. This lesson is designed to help students understand and use positive and...
  • Math
  • Middle School
Common Core
This lesson introduces students to inequalities. We begin by discussing what symbols mean and how to orient the symbols in relation to 2 quantities...
  • Math
  • Middle School
Common Core
This lesson was designed to teach volume within the confines of an engaging, relatable scenario. As it is an introduction into the most basic of...
  • Math
  • Middle School
Common Core
The lesson begins with a review of the ratios for Abby and Zack's orange paint. These characters will continue to present overarching context for the...