Calculator Soup
Calculator Soup: Statistics Calculator
Calculate basic summary statistics for a sample or population data set including minimum, maximum, range, sum, count, mean, median, mode, standard deviation and variance.
Calculator Soup
Calculator Soup: Vote Percentage Calculator
Calculate the percentage weight of two or three numbers that make up a total sum of the sample set, as in vote percentage calculations for an election.
Calculator Soup
Calculator Soup: Variance Calculator
Variance is a measure of dispersion of data points from the mean. Low variance indicates that data points are generally similar and do not vary widely from the mean. High variance indicates that data values have greater variability and...
Calculator Soup
Calculator Soup: Mean, Median, Mode Calculator
Calculate mean, median, mode along with the minimum, maximum, range, count, and sum for a set of data.
Texas Instruments
Texas Instruments: Programming to Find Area Under a Curve
Students will learn how to program the TI 83/84 Plus graphing calculator to approximate the area under a curve using Left,Right,Midpoint Riemann Sums, and Trapezoid Rule, and Simpson's Rule.
CK-12 Foundation
Ck 12: Elem Math: Express the Sentence and Calculate Division
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to express an arithmetic sentence as division in order to find the answer. In some problems, more than one step is...
Richland Community College
Richland Community College: Arithmetic Sequences
This is a lesson from Richland Community College on arithmetic sequences. This site provides theories and examples for working with different problems of arithmetic sequences such as calculating the Sum and Difference of an arithmetic...
Khan Academy
Khan Academy: Probabilities in Genetics
Article reviews some probability basics then investigates how these calculations can be applied to genetics problems involving relatively large numbers of genes. Explores how the sum rule and the product rule can be used to solve these...
Oswego City School District
Regents Exam Prep Center: Polygons: Interior and Exterior Angles
A great resource where you can learn how to calculate the measures of the interior and exterior angles of any regular polygon with these tutorials. There are several practice pages for someone to try. The teacher resource page includes...
Texas Instruments
Texas Instruments: Means & Variances of Random Variables
This set contains statistics questions regarding means and variances of random variables. The student calculates sums and differences of random variables based on their means and variances.
Texas Instruments
Texas Instruments: Measuring Angles in a Quadrilateral
In this activity, use an interactive, and investigative approach to determining the sum of the interior angles of a quadrilateral. They use Cabri Jr. to draw, measure, and calculate the characteristics of the angles of quadrilaterals.
Texas Instruments
Texas Instruments: Angles in a Polygon
Students will expore the interior and exterior angle of 3 polygons and develop the formula to calculate the sum of degrees without the measurement of the angles being taken.
Texas Instruments
Texas Instruments: Exploring Infinite Series
In this activity, students learn to identify geometric series. They determine if a sequence converges and also learn to calculate the sum of numbers in a geometric series.
Texas Instruments
Texas Instruments: Measuring Polygons an Introduction to Cabri Jr.
This activity is designed as an introduction to using the Carbri Jr. application on the TI-83+/84+ calculators. Students are guided through the menu system and are shown how to draw triangles, quadrilaterals and and a pentagon. Perimeter...
Other
Center for Technology and Teacher Education: Exploring Infinite Series
This site is a lesson plan on the convergence of infinite series. This lesson combines algebraic and geometric interpretations of infinite series. Students calculate partial sums, and prove ideas about convergence of specific infintie...
Texas Instruments
Texas Instruments: Calculus Tools Ti 89 Flash Application How to Guide
This Computer Algebra System (CAS) activity encourages students to investigate the use of the calculator to graph a function, find the value of a tangent to the curve, and find area under the curve using right sum.
Illustrative Mathematics
Illustrative Mathematics: Words to Expressions 1
This problem allows students to see words that can describe the expression from part (c) of "5.OA Watch out for Parentheses." Additionally, the words (add, sum) and (product, multiply) are all strategically used so that the student can...
Texas Instruments
Texas Instruments: Numb3 Rs: Exponential Growth
Based off of the hit television show NUMB3RS, this lesson introduces students to the concept of exponential growth, especially in comparison to linear growth. This is done in the context of weekly allowances, in which one group earns a...
Mathigon
Mathigon: Geometry: Triangles and Trigonometry: Pythagoras' Theorem
Pythagoras' Theorem: In any right-angled triangle, the square of the length of the hypotenuse (the side that lies opposite the right angle) is equal to the sum of the squares of the other two sides. (A+B=C)
CK-12 Foundation
Ck 12: Geometry: Exterior Angles in Convex Polygons
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to calculate exterior angles of regular polygons. Students examine guided notes, review guided practice, watch instructional videos...
Texas Instruments
Texas Instruments: Integral Calculus
In this activity, students use various features of the calculator to investigate some of the fundamental concepts of integral calculus. They study Riemann Sums and explore limitations of numerical integration.
Washington State University
Washington State University: Estimate the Area Under a Curve
You can have a good time with this java applet that lets you place adjustable shapes under a curve and then sums the areas to approximate the area of the curve.
Mathematics Archives
Math Archives: Summations
University of Tennessee provides this tutorial site explaining summations and how to evaluate them on a TI(85-86) calculator.
Math Graphs
Houghton Mifflin: Math Graphs: Area of a Region [Pdf]
Students calculate the area of a region using the Midpoint Rule. The resource consists of an enlarged printable version of a graph available in PDF format.