Students analyze the language features and layout of a letter and discuss the language used to describe the features. They write a letter of complaint, requesting that the problem be fixed, using the appropriate language and layout.

First graders are asked to find the missing numbers in subtraction and addition equations. Each missing number is represented with a box and appears as an addend, subtrahend, sum, or difference.

You set the rate! Step into the shoes of a taxi driver in New York City, and also pretend to be a person who uses taxis to get around town. The class will conduct collaborative research to learn about the history of taxis. Then, they...

Young scholars discover three lettered postulates that prove triangles congruent.

Plants never grow at the same rate, and that is the antithesis for this word problem involving multiplication of fractions. On the instructional activity, Raul notices that Pablo's seedlings are 1 1/2 times as tall, and Celina's...

Middle schoolers will explore frieze patterns. A frieze pattern is a mathematical concept to classify designs on two-dimensional surfaces, which are repetitive in one direction, based on the symmetries in the pattern. They will explore...

Students work in groups to sort and classify a variety of hardware materials commonly found in the store. Students discuss attributes and explain their reasoning for different classifications.

Student matches the initial letter of his/her name with the corresponding letter on the clothesline. They then participate in the classroom discussions by offering information relevant to the topic and answering or asking questions...

Students research real-time and historic temperature data of U.S. and world locations, and analyze the data using mean, median, and mode averages. They graph the data and draw conclusions by analyzing the data. A spreadsheet is used to...

Young scholars use materials from their own environment to design a kite. For this kite design lesson, students research the history of kites and obtain a formal mathematical definition of a kite. Young scholars sketch kite designs after...

Ninth graders discuss the Enigma machine used during World War II. They explore the substitution cipher and variations of it. Students examine the advantages and disadvantages of this cipher. Students write a message using the code...