Mixed numbers can be added conceptually, algorithmically, and physically. Have the class visualize mixed numbers by adding fraction bars together. They then discover the algorithmic process that simplifies adding mixed numbers. Finally,...

Time for matrices and complex numbers to come together. Individuals use matrices to add and multiply complex numbers by a scalar. The instructional activity makes a strong connection between the operations and graphical transformations.

Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...

Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...

Track down the Cyberchase episode that this instructional activity is associated with. Using a worksheet that is embedded in the plan, learners must find the next two numbers and shapes (a double pattern). Once these have been...

Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...

Second graders collect data by spinning two spinners and creating sums, organize the data, and make conclusions from the data. Each students makes a spinner. They spin and record the number of the section each time. Students work in...

Just because one integer is larger than another doesn't mean it will make sense right away. Go beyond note taking and show learners, through the use of algebra tiles and a Four-Pan Algebra Balance, how the numbers relate to one...

A real-world scenario, Videobusters, a video rental store has just got to get organized. In small groups, the class works on organizing and analyzing data utilizing matrices. They need to use their skills in adding, subtracting and...

Factor polynomial functions that have two and three terms. Using Algeblocks, your class will create models to show their understanding of these concepts.

Your sixth and seventh graders deepen their understanding of a number line and adding integers in this concrete, hands-on activity. Learners play "Warehouse Puzzle" and then discuss their game strategies and the characteristics...

Art can mimic life, and animals are always interesting subjects. Learners create large soft sculptures (stuffed) birds using paper, paint, and other basic collage materials. They view images of birds, and discuss bird traits and shapes....

Tap into the wisdom and knowledge of older members of the community with this New York Times plan. To warm up, learners write about and discuss advice they have been given. After reading "The Life Report," an op-ed column that asks older...

Students create a model volcano in groups, and discuss what each part of the model represents as they go along.  In this volcano lesson, students come back together as a whole group and discuss what group did the best work,...

Seventh graders identify and find missing patterns. For this algebra lesson, 7th graders investigate numbers and sequences and complete the pattern. They make a chart and discuss similarities and differences.

Students create a notebook with divisibility rules in it. For this algebra lesson, students write down the rules that determine the factors of a number. They continue to add to the book and use it to help them on their problems.

Learners solve integers using addition. In this algebra lesson, students add integers using counters. They define and label patterns created by integer operations.

Seventh graders determine what makes a battery work. In this battery lesson, 7th graders brainstorm ideas about how they think batteries provide energy. They perform an experiment in which they work as a team to assemble a battery. They...

Learners study how changes in the environment can drastically affect the survival of an animal. After a class discussion, pupils are divided up into groups and are given the task of coming up with the best environment to allow brine...

Gain a deeper understanding of the base 10 system through practicing conversion to Roman numerals through one million. The class is taught how to read the numerals through modeling and guided practice. This instructional activity...

Microchips are a man-made wonder. Investigate the manufacturing wonder with a hands-on inquiry-based lesson. Scholars simulate the process of pattern transfer using photoresist. Their conclusion identifies how their process replicates...

Roll the dice with this activity and teach young mathematicians about probability. Record outcomes for rolling two number cubes in order to determine what is most likely to happen. Graph the data and investigate patterns in the results,...

Learners observe and investigate the human skeletal and muscle systems. They become aware of the versatility of movement as well as gain experience through the use of diagrams and hands on activities. An extensive vocabulary is covered...

Take your study of coordinates online! Groups of students complete an online graphing introduction, plotting the points of virtual objects. A worksheet is included for extra practice.