Analyzing Distributions
...k for Students consider what they can learn from different representations of the same data using a dot plot, a box plot and a histogram. Sample Assessment Which of the segments represents the median and IQR? Answer: The shorter segment that goes from 0 to just less than 40 because the distribut...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/analyzing-distributions
Unequally Likely Outcomes
...their experimental results and the theoretical probabilities to explain why the events in a chance process are or are not equally likely. Sample Assessment Are the outcomes in the spinner equally likely? Why or why not? Answer: No, because the probability of getting each color is not the same: ...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/unequally-likely-outcomes
Ratios and Rational Numbers
...for solving problems. Students should remember that adding two columns in a ratio table produces another ratio equivalent to those added. Sample Assessment Mark and Steve bike at the same rate. If it takes Steve 14 hour to bike 6 miles, how long will it take Mark to bike 8 miles? Answer: 13 hour...https://education.ti.com/en/building-concepts/activities/ratios/sequence1/ratios-and-rational-numbers
Solving Proportions
...a diagram. The answers to the questions will vary. Ask students to note the advantages and disadvantages of using the various techniques. Sample Assessment A board is cut into two pieces in a ratio of 4:5. If the length of the board is 36 inches, how long is each piece? Answer: 16 inches and 20 i...https://education.ti.com/en/building-concepts/activities/ratios/sequence1/solving-proportions
What is a Ratio?
...nt ratios. What to look for Students should explore how changing the ratio of circles to squares affects corresponding equivalent ratios. Sample Assessment Which of the following pairs of ratios are equivalent? a. 6:3 and 5:10 b. 6:3 and 3:6 c. 6:3 and 12:6 d. 3:1½ and 6:3 Answer: c and d Und...https://education.ti.com/en/building-concepts/activities/ratios/sequence1/what-is-a-ratio
Building Concepts Math Activities | Texas Instruments
... learn that the denominator indicates the number of equal parts in each whole unit and the numerator indicates the number of those parts. Sample Assessment Which fraction has a value closest to (1/2) ? a. (5/8) b. (1/6) c. (2/2) d. (1/5) Answer: a Understanding A fraction is a number t...https://education.ti.com/en/building-concepts/activities
What is Probability
...ts should notice that the more repetitions of an experiment leads to an relative frequency that is closer to the theoretical probability. Sample Assessment Identify each as true or false: a. The probability of an outcome can be 2/1. b. The probability of an outcome can be 0. c. If an outcome is...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/what-is-probability
Pub Connect Mcgrawhill
... Chapter 1, Lesson 6 Activity 1 (p. 45) Extension 1 (p. 46) Question 19 (p. 52) *Download a free trial version of TI-Nspire or TI-Nspire CAS Computer Software to view these activities. Mathematics 10 Program McGr...https://education.ti.com/en/activities/publisher-connections/mcgrawhill
Why Random Samples
...ndom sampling. What to look for It is worthwhile to discuss how biases might impact a judgment sample. For example, it is much easier to overlook the small segments (length 1 for example) than it is to overlook the larger segments. Sample Assessment Which of the following is a true statement abou...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/why-random-samples
NCSM
NCSM global website Network | Communicate | Support | Motivate Relevant, thought-provoking, teacher-tested explorations designed to promote mathematical reasoning and active student engagement ...https://education.ti.com/en/activities/publisher-connections/ncsm
Getting started on TI technology | TI-84 Plus CE Python
...arn more coding basics --> Download PDFs ---> tN2WUAQRn0M Write your first program Check if the operating system for your TI-SmartView™ CE emulator software for the TI-84 Plus graphing family is up to date, and learn how to download and install the latest versions as they...https://education.ti.com/en/resources/getting-started-on-ti-technology/ti-84-plus-ce-python
Grant Writing
...sultant TI Technology Consultants are available to help you with your professional development needs. Contact Grant Writing Fermentum Euismod Dapibus Fringilla Tortor GEAR UP is a federally-funded program designed to increase the number of low-income students who are prepared to ente...https://education.ti.com/en/resources/funding-and-research/grantwriting
Visualizing Equations Using Mobiles
... and how they must be the same, while others may reason by identifying numbers that make the mobile unbalanced and in which direction. Sample Assessment If 3c + b = 2b and b = 18 what is c? Answer: c = 6 Understanding Mobiles can be used as a visual/physical model to leverage s...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/visualizing-equations-using-mobiles
Probability Diagrams and Tables
...nd when it is appropriate to multiply the probabilities of individual outcomes in order to determine the probability of a compound event. Sample Assessment A nickel, a dime, and a quarter are flipped at the same time. Each coin can land either heads up (H) or tails up (T). List all the different ...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/probability-diagrams-and-tables
Probability and Simulation
...es of the probability of success from simulated distributions should be fairly close, provided the number of repetitions is fairly large. Sample Assessment Which of the following could be used to model a 50% chance in a setting up a simulation? a. a number cube where the faces 1, 2, and 3 repres...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/probability-and-simulation
Outliers
...er quartile in a box plot. What to look for Students should recognize that outliers have no impact on the median and interquartile range. Sample Assessment To find an outlier you need to know? I. The median II. The minimum and maximum III. The quartiles a. All of the above b. I and III c. II an...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/outliers
Modeling Linear Relationships
...lot of the residuals for any patterns or predictability. Models that result in a pattern in the residual plot do not model the data well. Sample Assessment The scatter plot below shows the relationship between height, in centimeters, and the arm span, in centimeters, of 15 students in a class. B...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/modeling-linear-relationships
Introduction to Histograms
...ne and are used with quantitative data while bar graphs have no inherent order and are used to indicate some feature of qualitative data. Sample Assessment The graph below displays the heights of cherry trees in a park in Washington DC. The first bin width is [60,65). Height of Cherry Trees Whic...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/introduction-to-histograms
Intro to Data
... series of lessons. What to look for As students compare data, be sure they use the appropriate vocabulary to describe the distributions. Sample Assessment The times it took participants to complete a marathon are shown in the graph below. What is the range of the times? a. 1 to 17 hours b. 16 h...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/introduction-to-data
Comparing Populations using Sample Statistics
... DOC TNS Lesson Snapshot Two simulated sampling distributions that have a small amount of variability and little overlap provide some evidence of a real difference between the two population means. What to look for Invest...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/comparing-populations-using-sample-statistics
Choosing Random Samples
..., students need to understand the difference between a population (the large set of interest) and a sample (a subset of that population). Sample Assessment A survey given to some of the people at the mall on Friday night indicated that shopping hours at the mall should be extended. What is the po...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/choosing-random-samples
Median and Interquartile Range
...ld note that there are the same number of points to the left and to the right of the median; regardless of the shape of the distribution. Sample Assessment Identify the following as true or false. a. The median is the midpoint between the smallest and largest values in the data set. Answer: Fals...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/median-and-interquartile-range
Mean as Fair Share
...lled the average. Students should recognize the mean as a convenient summary statistic that is used extensively in the world around them. Sample Assessment What is the mean of the numbers: 4, 8, 3, 2, 5, 8, 12? a. 4 b. 5 c. 6 d. 7 e. 8 Answer: c) 6 Understanding The concept of “fair ...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/mean-as-fair-share
Mean as Balance Point
...m 6. Depending on your focus, you can introduce the concept of absolute value or you can just refer to distance as always being positive. Sample Assessment Given the set {1, 5, 7, 7, 10}, if you add the value 6 to the data, the mean absolute deviation will? a. Increase b. Decrease c. Remain uncha...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/mean-as-balance-point
Law of Large Numbers
...ely to be close to the actual probability of that outcome as the number of repetitions gets larger and larger (the law of large numbers). Sample Assessment If you knew the sample space consisted of four outcomes, which of the following is true? a. The probability of each outcome is 0.25. Answer:...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/law-of-large-numbers