National Council of Teachers of Mathematics
The Math Forum: Calculation Tips & Tricks: Multiplication Tips
Find tips for multiplying by 5, 9, and 11, and learn how to solve math problems without a calculator. This site includes explanations and examples for gifted children and teachers wanting to challenge their students.
PBS
Pbs Learning Media: A Tip on Tipping
This TV 411 segment features a lesson from Question Man on how to informally calculate 15% tips at restaurants.
Fun Brain
Fun Brain: Penguin Waiter (Calculating Percents Game for Super Brains)
Given the total price paid for a meal, including the tip (given as a percentage of the meal's cost), players are asked to calculate the original bill.
University of Minnesota
University of Minnesota: Assignment Calculator
Want a realistic timeline for that research project? Use these tips and resources to get a handle on what to do and when to do it. It offers templates several types of research projects such as speech, media project, primary sources,...
Other
Desmos: Four Function Calculator
Learn how to use the Desmos Four Function calculator. Watch a video demonstration and review pro tips to understand unique features and shortcuts to use with this calculator. Includes link to calculator tool.
CK-12 Foundation
Ck 12: Arithmetic: Total Bill Including Tip and Tax
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate total bills including tips and taxes. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Khan Academy
Khan Academy: Discount, Tax, and Tip Word Problems
Practice solving word problems involving price discounts, taxes, and tip calculations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
University of Arizona
Cell Biology: Online Onion Root Tips
Online mitosis activity offers the student the opportunity to identify, classify, calculate, and graph the phases of mitosis. Explanations of each phase, actual cells are displayed for classifying and gathering data in this comprehensive...
Calculator Soup
Calculator Soup: Tip Calculator
Calculate a tip or gratuity and get the total amount to pay. Enter your meal or dinner cost along with the tip percentage. If you are splitting the cost at a restaurant among several people you can divide by the number of people to get...
Other
Demos: Scientific Calculator
Learn how to use the Desmos scientific calculator. Watch a video demonstration and review pro tips to understand unique features and shortcuts to use with this calculator.
Fun Brain
Fun Brain: Penguin Waiter (Calculating Percents Game)
Players must calculate the correct tip to leave their penguin waiter based on a percentage of the cost of their meals.
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...
Other
Big Ceramic Store: Ceramic Tips
This site provides a series of seventy-four tips on ceramics. The tips range anywhere from using resists and recycling clay to decorating with oxides and calculating the cost of firing on electric kiln.
Oswego City School District
Regents Exam Prep Center: Logarithmic Expressions and Equations
Students learn about logarithmic expressions and equations. The tutorial includes class notes, calculator tips, examples, and practice problems with solutions. The teacher resource consists of application to forensics.
Oswego City School District
Regents Exam Prep Center: Graphing Trigonometric Functions
This mathematics session investigates how to graph trigonometric functions. The tutorial consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes methods to produce...
Oswego City School District
Regents Exam Prep Center: Scientific Notation
Dealing with very small or very large numbers can be tedious. Scientific notation helps simplify the process and this tutorial teaches students scientific notation with multiple examples, practice problems, calculator tips, and two...
Discovery Education
Discovery Education: Web Math: Math for Everyone
Provides online programs and explanations on everyday math: calculating a tip at a restaurant, determining the sale price of an item, finding the odds of winning a lottery, computing simple and compound interest, and more.
GeoGebra
International Geo Gebra Institute: Geo Gebra
The free mathematics software creates interactive learning material that combines geometry, graphing, tables, algebra, statistics, and calculus. Teachers can download the free open source software to enhance their mathematics lessons. A...
Oswego City School District
Regents Exam Prep Center: Regression Analysis
A collection of lesson ideas, a practice activity, and teacher resources for exploring regression analysis.
Oswego City School District
Regents Exam Prep Center: Relations and Functions
Students learn about relations and functions. The lesson explores functional notation, domain, range, and one-to-one functions. The tutorial includes class notes, calculator tips, examples, and practice problems with solutions. The...
Oswego City School District
Regents Exam Prep Center: Inverse Trig Functions
The mathematics session investigates inverse trigonometric functions. The tutorial consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource examines inverse trigonometric functions on...
Oswego City School District
Regents Exam Prep Center: Sequences
The lesson discusses sequences. Students learn about finite sequences, infinite sequences, and sequences with patterns. The resource consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher...
Oswego City School District
Regents Exam Prep Center: Polynomial Equations of a Higher Degree
The lesson discusses solving and graphing polynomial equations of higher degree. The resource consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes an activity that...