Build coin expressions, then exchange them for variable expressions. Simplify and evaluate …
Build coin expressions, then exchange them for variable expressions. Simplify and evaluate expressions until you are ready to test your understanding of equivalent expressions in the game!
This short video and interactive assessment activity is designed to teach fifth …
This short video and interactive assessment activity is designed to teach fifth graders about solving length and distance problems involving time - word problems.
This short video and interactive assessment activity is designed to teach fourth …
This short video and interactive assessment activity is designed to teach fourth graders about solving length and distance problems involving time - word problems.
This resource is a series of four videos that provide scaffolding for …
This resource is a series of four videos that provide scaffolding for students who are learning to solve rational equations. Subtitles are included on the videos and for each video there is an accompanying worksheet for students to practice. Solutions are provided for each worksheet.
This short video and interactive assessment activity is designed to teach third …
This short video and interactive assessment activity is designed to teach third graders about solving for elapsed time in a sequence of events - word problems.
This is a text that covers the standard topics in a sophomore-level …
This is a text that covers the standard topics in a sophomore-level course in discrete mathematics: logic, sets, proof techniques, basic number theory, functions, relations, and elementary combinatorics, with an emphasis on motivation. It explains and clarifies the unwritten conventions in mathematics, and guides the students through a detailed discussion on how a proof is revised from its draft to a final polished form. Hands-on exercises help students understand a concept soon after learning it. The text adopts a spiral approach: many topics are revisited multiple times, sometimes from a different perspective or at a higher level of complexity. The goal is to slowly develop students’ problem-solving and writing skills.
This task uses language, "half of the stamps," that students in Grade …
This task uses language, "half of the stamps," that students in Grade 5 will come to associate with multiplication by the fraction 12. In Grade 3, many students will understand half of 120 to mean the number obtained by dividing 120 by 2. For students who are unfamiliar with this language the task provides a preparation for the later understanding that a fraction of a quantity is that fraction times the quantity.
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