In this QR algorithm worksheet, students use the QR algorithm to solve an over-determined system of equations. This two-page worksheet contains 11 problems.

Third graders begin learning about multiplication using arrays. In this multiplication with arrays lesson, 3rd graders interact with tiles on the overhead as they follow the teacher in making arrays. They write multiplication sentences...

Students explore the concept of acceleration. They determine the acceleration rate of a roller-blader and graph the results.

Students perform several different experiments to observe signs of chemical reactions and determine if reaction has occurred, use search engine to find Internet sites pertaining to chemical reactions, and write up brief summary of site.

Students brainstorm pizza toppings and determine the number of possible ways to order a pizza. In this algebra lesson plan, students analyze and investigate geometric patterns as they relate to the concept of a variable. Students...

Seventh graders examine currency rates. In this exchange rate instructional activity, 7th graders visit selected websites to determine the exchange rates between specified currencies.

Fifth graders utilize basic math computation on a pretend shopping trip to obtain everyday items and services such as an oil change and grocery shopping.

Learners observe the teacher writing numbers and determine the rules for scientific notation. After explanations, they perform operations on numbers in scientific nation and discuss reasons for using this method of writing numbers and...

Students explore the environment by researching mining. In this ecological dangers lesson, students define cyanide and discuss why it has potential to be a great threat to our environment during mining expeditions. Students examine many...

Students explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.

Students work individually, or with partners, to develop a design for a greenhouse, and calculate space requirements, equipment needed and cost of operation. They construct a scale model of the greenhouse.

Students investigate attacks on Falluja. In this Iraq conflict instructional activity, students visit slelected Web sites to determine what insurgents are and why they have targeted Falluja. Students also take an in depth look at...

Middle schoolers examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.

Students become familiar with weather terminology and different representations of data as they explore various on-line weather sites. They practice using and interpreting data determining the effects of the time of day, time of year and...

Students write verbal expressions into algebraic expressions and solve the expressions. They determine who wins a race by determining the algebraic expression.

Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.

Sixth graders listen to Demi's, On Grain of Rice: A Mathematical Folktale. They use the problem solving strategy of finding a pattern to determine the number of rice Rani will receive after 30 days. They create a spreadsheet which...

Students complete a three week unit about weather and how it affects our behavior. They read and discuss various books related to weather, conduct an experiment about the tilt of the earth, plan a field trip based on temperature,...

Students conduct an ice melting investigation in which they observe and measure the melting of two ice spheres. They develop a hypothesis as to which sphere will melt the fastest, collect data every ten minutes, and graph the data using...

Fifth graders are given a set of manipulatives to use to develop patterns. In groups, they follow the directions to determine which blocks go with which pattern and put them into the correct sequence. To end the instructional activity,...

In this expanding brackets worksheet, students read through an explanation of expanding brackets in mathematical equations and then complete 10 practice problems. Students then complete 58 problems in which they need to work through...

For this algebra worksheets students rewrite word problems using algebraic symbols. They use order of operation to solve for the variables used as they relate to multiplication and addition. There is an answer key.

Students compute the slope of a line that passes through two points and explain how the slope formula is derived. They determine properties associated with positive, negative, undefined, and no slope.

Students work in pairs to determine the age of a tree using two different methods in this experiment. They collect data about how trees change over time.