Comparing Populations using Sample Statistics
...size from each population. 416971 Comparing Populations using Sample Statistics Planning and Resources Objectives Students make conjectures about the difference between two populations based on samples of the same size from those populations. They recognize that measures of center and spre...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/comparing-populations-using-sample-statistics
Choosing Random Samples
Choosing Random Samples website In this lesson, students will explore different methods of generating random samples from a population of interest. 409869 Choosing Random Samples Planni...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/choosing-random-samples
Median and Interquartile Range
Median and Interquartile Range website This lesson introduces students to the median, quartiles, and interquartile range for a distribution of data. 397180 Median and Interquartile Range ...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
Mean as Balance Point website In this lesson, students focus on how the mean can be described as the balance point for the distribution of a set of data. 397184 Mean as Balance Point Pla...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/mean-as-balance-point
Law of Large Numbers
Law of Large Numbers website In this lesson, students investigate how the relative frequency of an outcome approaches the actual probability of that outcome, as the number of repetitions ...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/law-of-large-numbers
Box Plots
... their corresponding 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 pl...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/box-plots
Sample Proportions
Sample Proportions website In this lesson, students investigate the effect of sample size on variability by comparing the distribution of sample proportions with the population proportion...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/sample-proportions
Sample Means
...jectives Students distinguish sampling variability among sample statistics from the variability within a sample. They recognize that sampling distributions of sample means are mound shaped and that as the sample size increases, the spread decreases. Vocabulary sample sample size mean sampling di...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/sample-means
Scatter Plots
...8 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 tool, what brand would you look...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/scatter-plots
Two Way Tables and Categorical Data
... a) What do these number represent? Are they frequencies or relative frequencies or neither? Answer: These numbers represent relative frequencies, but they are presented as percentages between 0 and 100 rather than as decimal numbers between 0 and 1. b) Does there appear to be an association ...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/two-way-tables
Transforming Data
Transforming Data website In this lesson, students investigate what happens to the summary measures for the distribution of a set of data when a constant is added to each data element or ...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/transforming-data
Tables and Measures of Center and Spread
... summary measures of center and spread using data presented in frequency tables. Vocabulary frequency table mean median interquartile range mean absolute deviation In this lesson students will focus on how to find measures of center and spread when data are organized in a frequency t...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/tables-and-measures-of-center-and-spread
Linear Inequalities in One Variable
Linear Inequalities in One Variable website In this lesson students focus on inequalities and methods of solving them, building on the concept of solution- and order-preserving moves in t...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/linear-inequalities-in-one-variable
What is a Variable?
...ession; a variable might be used in a universal statement that is true for all numbers; or a variable might stand for a specific value such as the solution to an equation or word problem. What are the students doing? Students evaluate expressions, write expressions that correspond to given situat...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-a-variable
Visualizing Quadratic Expressions
...) are positive integers. 419517 Visualizing Quadratic Expressions Planning and Resources Objectives Students should be able to connect the distributive law to an area model, recognize quadratic expressions in many forms, and understand that the product of two binomial expressions can be deter...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/visualizing-quadratic-expressions
Research
...ncrease student success. Algebra 1 and 2 Geometry Middle School / Pre-Algebra Pre-Calculus / Calculus Pre-Service About TI's Research Program Research at TI serves as the basis for increased teaching and learning success with TI products and services. Learn more ...https://education.ti.com/en/resources/funding-and-research/research
Building Concepts Fraction Practice | Texas Instruments
...s are equivalent (equal) if they are the same size or are located at the same point on a number line. What are the students doing? Students reason about the size of two fractions by observing the length of each unit fraction on the number line. They write a comparison statement ordering two fract...https://education.ti.com/en/building-concepts/activities/fractions
Adding Ratios
...ed by the two ratios. What are the students doing? Students investigate different pairs of ratios within the same context. They are asked to think about the steepness of the lines generated by adding two ratios. What is the teacher doing? Have students consider that in some cases, the trend indic...https://education.ti.com/en/building-concepts/activities/ratios/sequence1/adding-ratios
Equations of the Form ax+by = c
...nstant c. 442898 Equations of the Form \(ax+by = c\) Planning and Resources Objectives Students should be able to explain the meaning of a solution for a linear equation in two variables, recognize the solution graphs as a line, and identify unique solutions to a linear equation of the fo...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/equations-of-the-form-ax-plus-by-equals-c
Comparing Units
...ause (1/3) of 6 is 2. Sande had 2 inches of her candy bar because (1/2) of 4 is 2. So they had the same amount of candy. Understanding Without knowing what each refers to, (1/2) of one thing can be the same as, more than, or less than (1/2) of another. What are the students doing? Stude...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/comparing-units
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
What is an Exponent?
... Lesson Snapshot This lesson focuses on how the definition can be used in a variety of situations to make sense of the computations: ab, (a*c)b, abc and in particular, allows students to investigate whether exponents “distribute” over operations other than multiplicatio...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-an-exponent
Fraction Multiplication
...ates a product less than the number; multiplying any number by a fraction greater than one produces a product greater than the number. Vocabulary commutative property of multiplication reciprocal This lesson uses interactive unit squares to explore the concept of fraction multiplicat...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/fraction-multiplication
Fractions as Division
... DOC TNS Lesson Snapshot The file illustrates two different approaches to thinking about this relationship between fractions and division. Be sure students can explain both methods. What to look for As students discuss the concept of...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/fractions-as-division