Comparing Populations using Sample Statistics
...mple means can provide indication of a real difference between population means. Sample Assessment The scores on an achievement test for 20 randomly selected boys and 20 randomly selected girls are collected. Which expressions provides some evidence that girls scored better than boys? a) mean bo...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/comparing-populations-using-sample-statistics
Choosing Random Samples
...om a population of interest. 409869 Choosing Random Samples Planning and Resources Objectives Students will understand several strategies for selecting a random sample and recognize differences between a sample and a population. Vocabulary sample random sample population characteristic sta...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/choosing-random-samples
Median and Interquartile Range
...give a complete picture of the distribution. They can identify the median as a measure of center and interquartile range (IQR) as measure of spread related to the median. Vocabulary median upper quartile lower quartile interquartile range (IQR) This lesson introduces students to th...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
... TNS Lesson Snapshot The mean is the balance point of a distribution; the 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 o...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
Comparing Distributions
...ation are typically called a census, a complete count of everyone or everything in the population. A sample is a subset of the population, typically selected to represent the population. What to look for Students should note that bar graphs convey some information that can be used to compare dist...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/comparing-distributions
Box Plots
Box Plots website In this lesson, students will construct box plots from the five-number summary, helping them understand how data is represented and interpreted from a box plot. 397181 ...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/box-plots
Sample Proportions
...riability as the variation from sample to sample in the values of a sample statistic. They understand that the sampling variability among samples is related to size of the samples; as the sample size increases, the variability decreases. Vocabulary random sample sampling variability sampling dist...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/sample-proportions
Sample Means
... distribution, the sample size must be large. Sample Assessment Identify each statement as true or false. a) The larger the sample size the more likely that a sample mean will be farther from the population mean. Answer: False b) The larger the sample size the more likely a sample mean will ap...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/sample-means
Publisher Connection | Texas Instruments
Publisher Connection | Texas Instruments global website Texas Instruments collaborates with a variety of companies and organizations in the field of mathematics, science, STEM and education to...https://education.ti.com/en/activities/publisher-connections
Scatter Plots
...scribed in terms of clusters, gaps, and unusual data points. What are the students doing? Students use scatter plots to reveal information about the relationships among paired observations. What is the teacher doing? Make sure students confront the tendency to think of scatter plots in terms of i...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/scatter-plots
Two Way Tables and Categorical Data
...nd stacked bar graphs. They also determine conditional probabilities given information in a two-way table. Vocabulary two-way table categorical data relative frequency conditional probability In this lesson, students will use two-way tables to investigate associations between two cat...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
Linear Inequalities in One Variable
... PDF DOC TNS Lesson Snapshot Students develop a sense of “order- and solution-preserving” moves that can be applied to inequalities and how these moves relate to the solution set for an in...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/linear-inequalities-in-one-variable
Visualizing Quadratic Expressions
... 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 determined by multiplying eac...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/visualizing-quadratic-expressions
Research
...MathForward™ Evidence of effectiveness on TI's research-based systemic mathematics intervention program. Learn More Research on T³™ Professional Development Summaries of the research basis for TI's professional development programs. Learn More Case Studies Reports from real teachers using TI ...https://education.ti.com/en/resources/funding-and-research/research
Adding Ratios
Adding Ratios website In this lesson, students build upon their knowledge that ratios represent the relationship between two (or more) related quantities; and that, since the values in a ...https://education.ti.com/en/building-concepts/activities/ratios/sequence1/adding-ratios
Equations of the Form ax+by = c
...\((x, y)\) is a solution to the equation \(2x+3y = 6\)? a. (6, 3) b. (3, 0) c. (3, 2) d. (2, 3) e. (0, 3) Answer: b Understanding Develop linear combinations of two quantities and investigate what happens when a constraint is imposed on the linear combination ax+by for a given a ...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/equations-of-the-form-ax-plus-by-equals-c
Comparing Units
Comparing Units website This lesson helps students to understand that the size of a fraction will vary with the scale used to define a unit fraction. 393728 Comparing Units Planning and R...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/comparing-units
Creating Equivalent Fractions - Texas Instruments
... DOC TNS Lesson Snapshot Students will use multiplication and area models to generate equivalent fractions. Students learn that equivalent fractions can be generated by multiplying a given fraction by a fraction equal...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/creating-equivalent-fractions
Fractions and Unit Squares - Texas Instruments
... PDF DOC TNS Lesson Snapshot This lesson helps to illustrate the need to clearly specify the unit of a fraction in order for it to be interpreted or used with any meaning. What to look for ...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/fractions-and-unit-squares
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?
...gate whether exponents “distribute” over operations other than multiplication. What to look for Common misconceptions include not understanding which element in the expression is the base of the exponent, multiplying the exponent and the base, and reversing the role of the base and the exponent. ...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-an-exponent
Fraction Multiplication
...oduct of two fractions is the product of the numerators and the product of the denominators. What are the students doing? Students use unit square models to explore multiplying fractions by fractions; yielding products that are greater than 1. What is the teacher doing? Help students to connect t...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/fraction-multiplication