Math Planet
Math Planet: Pre Algebra: Calculating the Area and the Perimeter
Gain an understanding of how to calculate the area and the perimeter by viewing examples and a video lesson. [1:13]
Shodor Education Foundation
Shodor Interactivate: Lesson: Length, Perimeter, and Area
This lesson plan examines the mathematical concepts of length, perimeter, and area. Resources are included that support teachers and learners.
Shodor Education Foundation
Shodor Interactivate: Lesson: Perimeter
This lesson plan helps students explore the mathematical concept of perimeter. Resources are available to support teacher and students.
Shodor Education Foundation
Shodor Interactivate: Lesson: Area
This lesson plan helps students explore the mathematical concept of area and features resource links to further learning. CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it
PBS
Pbs: The Lowdown: Defining and Calculating Percents
Explore methods for calculating and comparing discounts in this video from KQED. In the accompanying classroom activity, students develop different strategies for calculating and comparing discounts, including percent off a price,...
Homeschool Math
Homeschool Math: How to Calculate Percentages
Learn how to calculate percentages in this easy lesson.
Khan Academy
Khan Academy: Lesson Summary: Banking and the Expansion of the Money Supply
This lesson summary from Khan Academy is intended for students who are taking the AP Macroeconomics course. In this lesson summary will review key terms and calculations related to fractional reserve banking, required reserves, excess...
Khan Academy
Khan Academy: Lesson Summary: The Balance of Payments
In this lesson summary review and remind yourself of the key terms and calculations related to the balance of payments. Topics include the current account (CA) and the capital and financial account (CFA, sometimes called simply the...
OER Commons
Oer Commons: Calculating the Unit Rate of a Ratio Situation
Seventh graders find the unit rate of a ratio situation.
OER Commons
Oer Commons: Calculating Volume
Seventh graders will extend their knowledge of volume to find the volume of right prisms, seeing that the volume is the area of the base multiplied by the height.
CK-12 Foundation
Ck 12: Probability: Exponential Distributions
[Free Registration/Login may be required to access all resource tools.] Covers exponential distributions. Presents examples using a graphing calculator as well as guided and independent practice questions.
Wyzant
Wyzant: Calculators Index
Online calculators will help you solve equations, factor, complete the square, simplify, graph, and substitute.
Science Museum of Minnesota
Lesson Plan: Keeps on Pumpin'
In this interactive site, students will measure and calculate heart rates and determine the amount of blood pumped by their heart.
Scholastic
Scholastic Lesson Plan: New Way to Measure Area
This article describes a new approach to teaching children more than just memorizing a formula to find area and hope they don't confuse it with perimeter. This approach involves a project with real life situations....
Education Development Center
Tune in to Learning: Understanding Interest
Using this interactive lesson, you'll calculate compound interest and compare interest rates. In addition to learning about interest, you will also be learning about taking out a mortgage on a home. Three activities with questions...
PBS
Pbs Teachers: Supersonic Dream
Examine how fuel use affects the mass of different planes during flight. This activity teaches students how to determine the per person fuel cost of a transatlantic flight for seven airplanes, and display the results on a bar graph....
CK-12 Foundation
Ck 12: Probability: Theoretical and Experimental Probability
[Free Registration/Login may be required to access all resource tools.] Here you'll learn about theoretical and experimental probability, including how to describe sample spaces and how to conduct probability simulations. Includes...
PE Central
Pe Central: Pe Lesson Ideas: Partner Mile Run/heart Rate Calculation
While working (and running) with a partner, a student works on "improving fitness, calculating target heart rates, and prepar[ing] for the mile run physical fitness test." This website includes a "Partner Recording Sheet" that will help...
Council for Economic Education
Econ Ed Link: All in Business
This activity on entrepreneurship can be used to help students understand what innovations are, and what it takes to get an idea off the ground. This activity will take students through the process of calculating risks associated with...
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Utah Education Network
Uen: Equivalent Expressions
This multi-segment lesson plan uses games and calculators to explore the concept of equivalent expressions. Students work together using inverse operations to isolate variables in algebraic equations. It also provides attachments for...
Mathigon
Mathigon: Geometry: Symmetry Groups
This lesson focuses on symmetry groups; some shapes have more than one symmetry. You can add two symmetries to form a new one. It provides examples and practice exercises including a "symmetry calculator."
OER Commons
Oer Commons: Experimental Probability
Students will extend their understanding of probability by continuing to conduct experiments, this time with four-colored spinners. They will compare experimental results to expected results by first conducting an experiment, then...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Comparing Liquid Density
Because different liquids have different properties, density also differs. For this lesson from the Illinois Institute of Technology, learners will calculate densities of water, dish-washing detergent, cooking oil, and other liquids.