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
...s determined by the box plot reflect the spread of the data values and that each interval contains approximately 14 of the data. Vocabulary median upper quartile lower quartile minimum maximum interquartile range (IQR) box plot In this lesson, students will construct box plots from ...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/box-plots
Sample Proportions
... same unless the file has been set to proportions rather than counts. Sample Assessment 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 you...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/sample-proportions
Sample Means
Sample Means website In this lesson, students use simulation to explore how sample means (and medians) vary from sample to sample when repeated samples are taken from the same population....https://education.ti.com/en/building-concepts/activities/statistics/sequence1/sample-means
Publisher Connection | Texas Instruments
...ng materials for use in the classroom and/or after school clubs. Publisher connections 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 ...https://education.ti.com/en/activities/publisher-connections
Scatter Plots
...e 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 for? Answer: a brand with rating greater than 50 Underst...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/scatter-plots
Two Way Tables and Categorical Data
... 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 between age group and obe...https://education.ti.com/en/building-concepts/activities/statistics/sequence1/two-way-tables
Linear Inequalities in One Variable
...\((a+c = b)\); 3. the point of equality (boundary point) divides a set of values into those greater than and those less than that point; and 4. some operations on both sides of an inequality preserve order and some do not (in particular, multiplying or dividing by a non-zero number). What are...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/linear-inequalities-in-one-variable
What is a Variable?
...ke on any one of a range of values. They recognize an algebraic expression as one involving some combination of variables, numbers and mathematical operations. Vocabulary expression variable constant In this lesson students evaluate expressions, write expressions that correspond to ...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-a-variable
Visualizing Quadratic Expressions
...\) \((x + 2)^2 + 4(x + 3)\) \((x + 5)^2 - 4(x + 1)^2\) Answer: c. \((x + 2)^2 + 4(x + 3)\) Understanding Using geometric shapes as tools to visualize the algebraic structure of expressions can help in thinking about equivalent expressions involving quadratics. What ...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/visualizing-quadratic-expressions
Building Concepts Fraction Practice | Texas Instruments
...tionships between two fractions using the symbols and justify the conclusions by using a visual fraction model. Vocabulary equivalent fractions improper fractions Downloads ZIP PDF DOC TNS ...https://education.ti.com/en/building-concepts/activities/fractions
Equations of the Form ax+by = c
...tion graphs as a line. What to look for Students may note that for equations of the form \(ax+by\) = c where \(a\) and \(b\) are positive, the slope of the "solution line" is always negative. Sample Assessment Which of the following ordered pairs \((x, y)\) is a solution to the equation ...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/equations-of-the-form-ax-plus-by-equals-c
Comparing Units
...lore the file using different sized wholes and fractions. Encourage students to explain their reasoning for each of. their answers. Sample Assessment Petre had (1/3) of a 6-inch long candy bar and Sande had (1/2) of 4-inch candy bar. Who had the most candy? Answer: Petre had 2 inches of his bar b...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/comparing-units
Fractions and Unit Squares - Texas Instruments
... 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 Some of the wording in the problems migh...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/fractions-and-unit-squares
What is an Equation?
...resented by a letter and takes on multiple values as replacements. An expression is a mathematical phrase involving numbers, variables, mathematical operations, and mathematical symbols such as parentheses. Sample Assessment If k can be replaced by any number, how many different solutions can the...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-an-equation
What is an Exponent?
... 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 multiplication. What to look for Common misconceptions include not understanding which element in the expression is the base o...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-an-exponent
Fraction Multiplication
...uct 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 multiplication. 393723...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/fraction-multiplication
Fractions as Division
... 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 granola bars are to be...https://education.ti.com/en/building-concepts/activities/fractions/sequence-1/fractions-as-division
Effect size by Texas Instruments
...ws estimation of strength of an effect across studies which use different measures. It is based on the paired standard deviation of the control and experimental group, and thus can be read as a standard deviation index ranging from zero to 1 or more, with 0.2 considered to be small, 0.4 to be med...https://education.ti.com/en/resources/funding-and-research/research/research_effectsize
Python coding: Do While Loops | Texas Instruments
... set {1, 2, 3, 4, 5, 6}. Tech tip: randint() can be entered via the TI-Nspire™ keyboard or from Menu > Random. Tech tip: The break command can be typed in via the TI-Nspire™ keyboard. How does the do_while_loop.py program at the bottom of page 1 work? This program may not be intuitive. Expla...https://education.ti.com/en/resources/computer-science-foundations/do-while-loops
Extending Exponents
...ponents extend naturally to integer exponents. 439869 Extending Exponents Planning and Resources Objectives Students should be able to extend properties of postive integer exponents to all integer exponents, apply properties of exponents to express numbers in scientific notation, and interpr...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/extending-exponents
Solving Equations
... DOC TNS Lesson Snapshot This lesson allows students to deepen their understanding of solution strategies for equations in one variable. What to look for Students may be challenged when looking for sol...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/solving-equations
Building Expressions
...lding Expressions Planning and Resources Objectives Students should identify equivalent expressions and explain why they are equivalent using properties of multiplication and addition. They use a variety of strategies, including rewriting an expression and properties of operations, to develo...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/building-expressions
research-program
...exas Instruments 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...https://education.ti.com/en/resources/funding-and-research/research/research-program
What's a Solution to a System of Equations?
...entify characteristics of equations that will lead to each possible outcome. Vocabulary system of linear equations in two variables intersection slope parallel lines solution to a system of two linear equations In this lesson students are introduced to a system of linear equations...https://education.ti.com/en/building-concepts/activities/expressions/sequence1/what-is-a-solution-to-a-system-of-equations