Median and Interquartile Range
...e. a. The median is the midpoint between the smallest and largest values in the data set. Answer: False b. At most half of the values in a data set have values less than the median. Answer: True c. If you add 10 to every element of a data set, the median will not change. Answer: False d. If yo...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/median-and-interquartile-range
Mean as Fair Share
Mean as Fair Share website This lesson introduces students to mean as a way to describe the center of a set of data. Often called the average, the mean can also be visualized as “leveling...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/mean-as-fair-share
Mean as Balance Point
... sum of the absolute deviations for values below the mean is equal to the sum of the absolute deviations for values above the mean. What to look for Have the students think about the number of steps that the teams in last place are from 6. Depending on your focus, you can introduce the concept of...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/mean-as-balance-point
Comparing Distributions
... box plots, histograms and bar graphs in comparing data from countries to others with respect to a certain characteristic What is the teacher doing? Have students explain why the a bar graph does not the cannot be used to determine the mean, MAD, median, and IQR. The Big Idea Columns Con...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/comparing-distributions
Box Plots
...sponding box plots explicit: i.e., 1) a summary as represented in a box plot will not show gaps and clusters and 2) very different distributions can have the same box plot. What to look for Help students realize that the number of data values in any of the four intervals in the box plot is approx...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/box-plots
Sample Proportions
...essment Would you rather go to a small hospital where a sample of 10 operations showed that 8 of them were successful or to a large hospital where on average 75% of the operations are successful? Give a reason for your answer. Response: The large one because a small sample can have a lot of varia...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/sample-proportions
Sample Means
... The mean and MAD of a large random sample drawn from a population can give some indication of the population mean. What to look for In order to have a predictable shape and spread for a simulated sampling distribution, the sample size must be large. Sample Assessment Identify each statement...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/sample-means
Publisher Connection | Texas Instruments
... Sollicitudin Purus Condimentum Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Donec id elit non mi porta gravida at eget metus. Justo Risus Sem Fusce Fermentum Vulputate Adipiscing Dapibus Aenean eu leo quam. Pellentesque ornare sem lacinia qu...https://education.ti.com/en/activities/publisher-connections
Scatter Plots
... the brands. Answer: 57 or 58 b) Would you buy the brand represented by (31, 4) or the one by (32, 34)? Explain your answer. Answer: The two brands have almost the same rating but one costs $4 and the other $34, so I would buy the cheaper one. c) If you were willing to pay about $15 for the too...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/scatter-plots
Expressions & Equations
...t Algebraic expressions specify numerical calculations using numbers and letters or symbols standing for numbers. What to look for Students leave behind the symbol “x” for multiplication and come to understand that the juxtaposition of a number and a variable such as 3x implies multiplica...https://education.ti.com/en/building-concepts/activities/expressions
What is a Variable?
...t Algebraic expressions specify numerical calculations using numbers and letters or symbols standing for numbers. What to look for Students leave behind the symbol “x” for multiplication and come to understand that the juxtaposition of a number and a variable such as 3x implies multiplica...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-a-variable
Building Concepts Fraction Practice | Texas Instruments
...ractions only in terms of describing fractions greater than 1. Converting improper fractions into mixed numbers does not appear until after students have become familiar with adding fractions. The Big Idea This lesson uses a dynamic geoboard to extend the concept of fraction ...https://education.ti.com/en/building-concepts/activities/fractions
Adding Ratios
...n ratio equivalent to the original; and that the coordinates representing the ratio lie on the same line. What to look for At the end of the lesson, have students change the ratios for the blue and pink segments and explain what each segment represents. Discuss as a class the effects the rates as...https://education.ti.com/en/building-concepts/activities/ratios/sequence1/adding-ratios
Creating Equivalent Fractions - Texas Instruments
...lent fractions. Students learn that equivalent fractions can be generated by multiplying a given fraction by a fraction equal to 1. What to look for Have students observe several examples of creating equivalent fractions. Then lead them in a discussion of their observations. Sample Assessment a. ...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/creating-equivalent-fractions
What is an Equation?
What is an Equation? website In this lesson students investigate expressions and equations to develop what it means to have a solution to an equation. 398279 What is an Equation? Plannin...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-an-equation
Fractions as Division
...dents can explain both methods. What to look for As students discuss the concept of fraction as division, encourage them to explain their reasoning. Have students work independently then have the class work together to find the solutions using the interactive number lines. Sample Assessment If 3 ...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/fractions-as-division
Python coding: Do While Loops | Texas Instruments
... structure Use the break statement to exit out of a loop Construct and use iterative control structures, including a While loop written to behave like a post-test Do While loop Materials for learning Work along with this activity by downloading the following materials: Unit 4, Activity ...https://education.ti.com/en/resources/computer-science-foundations/do-while-loops
Python coding activities: Counters, Accumulators and Comparing Loop Types | Texas Instruments
...y downloading the following materials: Loops notes page Incrementing variables notes page Unit 4, Application: Cube Root Game Also, you’ll want to have the following handy: TI-Nspire™ CX II graphing calculator (with updated OS) Comparing For, While and Do While loops How d...https://education.ti.com/en/resources/computer-science-foundations/counters-accumulators-comparing-loop-types
Ratios & Proportions
... Objectives Students should understand and be able to identify the unit rate associated with a ratio. They should recognize that equivalent ratios have the same unit rate. Vocabulary rate unit rate Downloads ZIP PDF ...https://education.ti.com/en/building-concepts/activities/ratios
Building a Table of Ratios
...ns) of a ratio table are some (positive rational) multiple of each other. This will be important when they begin to compare ratios. What to look for Have students explain their strategies for solving problems involving equivalent ratios. Sample Assessment If Sara used 3 cups of pancake mix to mak...https://education.ti.com/en/building-concepts/activities/ratios/sequence1/building-a-table-of-ratios
Solving Equations
...e solution pathways based on elegance and efficiency. What is the teacher doing? Encourage students to explore solution pathways they might not have initially seen in order to develop flexibility in solving equations. The Big Idea Columns Container Column 1 Colum...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/solving-equations
Building Expressions
... DOC TNS Lesson Snapshot Two expressions are equivalent if they have the same value for every possible replacement for the variable or variables. What to look for Some statements can be true for many values of a ...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/building-expressions
research-program
...nts uses extensive research to help improve mathematics and science education. For more than 20 years, researchers in North America, Europe and Asia have contributed to substantial research on the use of handheld graphing technology and classroom networks to transform mathematics and science teac...https://education.ti.com/en/resources/funding-and-research/research/research-program
What's a Solution to a System of Equations?
...tem d. There are infinitely many solutions to this system Answer: d Understanding Some systems of linear equations in two variables have one point as a solution, some have no points as a solution, and some have infinitely many points as a solution. What are the students doin...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-a-solution-to-a-system-of-equations
Visualizing Systems of Linear Equations
...iles and use balance to model solution preserving moves algebraically. What is the teacher doing? Encourage students to use the way the mobile behaves to reason about the values of weights on the mobiles and relate that to the values of variables in a system of equations. The Big Idea ...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/visualizing-systems-of-linear-equations