Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Geometry

For Students 9th - 10th Standards
Practice using your graphing calculator for Geometry problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Activity
Texas Instruments

Texas Instruments: Analyzing Number Cube Sums

For Teachers 6th - 8th
In this activity, students extend their understanding of theoretical probability and patterns. They use number cubes, to build awareness that a fraction and its decimal and percent representation on the calculator are "close," but not...
Activity
Texas Instruments

Texas Instruments: Sums of Rectangle Areas: Approximate Integrals

For Teachers 9th - 10th
This activity will show a function with rectangle areas on the graphing calculator.
Unknown Type
Houghton Mifflin Harcourt

Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Average [Pdf]

For Students 9th - 10th Standards
A concise graphing calculator lesson on calculating average. Detailed examples, demonstrations of calculator functions, and practice problems included. Acrobat Reader required.
Interactive
Calculator Soup

Calculator Soup: Estimating Sums and Differences of Fractions Calculator

For Students 9th - 10th
Estimate sums and differences for positive proper fractions, n/d (numerator/denominator). Use rounding to estimate answers when adding or subtracting proper fractions.
Interactive
Calculator Soup

Calculator Soup: Statistics Calculator

For Students 9th - 10th Standards
Calculate basic summary statistics for a sample or population data set including minimum, maximum, range, sum, count, mean, median, mode, standard deviation and variance.
Interactive
Calculator Soup

Calculator Soup: Vote Percentage Calculator

For Students 9th - 10th
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.
Interactive
Calculator Soup

Calculator Soup: Variance Calculator

For Students 9th - 10th Standards
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...
Interactive
Calculator Soup

Calculator Soup: Mean, Median, Mode Calculator

For Students 9th - 10th Standards
Calculate mean, median, mode along with the minimum, maximum, range, count, and sum for a set of data.
Activity
Texas Instruments

Texas Instruments: Programming to Find Area Under a Curve

For Teachers 9th - 10th
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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Express the Sentence and Calculate Division

For Students 3rd - 5th
[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...
Activity
Richland Community College

Richland Community College: Arithmetic Sequences

For Students 9th - 10th Standards
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...
Handout
Khan Academy

Khan Academy: Probabilities in Genetics

For Students 9th - 10th Standards
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...
Unit Plan
Oswego City School District

Regents Exam Prep Center: Polygons: Interior and Exterior Angles

For Students 9th - 10th
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...
Activity
Texas Instruments

Texas Instruments: Means & Variances of Random Variables

For Teachers 9th - 10th Standards
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.
Activity
Texas Instruments

Texas Instruments: Measuring Angles in a Quadrilateral

For Teachers 9th - 10th Standards
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.
Activity
Texas Instruments

Texas Instruments: Angles in a Polygon

For Teachers 9th - 10th
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.
Lesson Plan
Texas Instruments

Texas Instruments: Exploring Infinite Series

For Teachers 9th - 10th Standards
For 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.
Activity
Texas Instruments

Texas Instruments: Measuring Polygons an Introduction to Cabri Jr.

For Teachers 9th - 10th
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...
Lesson Plan
Other

Center for Technology and Teacher Education: Exploring Infinite Series

For Teachers 9th - 10th
This site is a lesson plan on the convergence of infinite series. This instructional activity combines algebraic and geometric interpretations of infinite series. Students calculate partial sums, and prove ideas about convergence of...
Activity
Texas Instruments

Texas Instruments: Calculus Tools Ti 89 Flash Application How to Guide

For Teachers 9th - 10th
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.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Words to Expressions 1

For Students 4th - 8th Standards
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...
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Exponential Growth

For Teachers 9th - 10th
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...
eBook
Mathigon

Mathigon: Geometry: Triangles and Trigonometry: Pythagoras' Theorem

For Students 9th - 10th Standards
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)