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45-45-90 Triangles icon
45-45-90 Triangles

Resource ID: TXLSR4.004
Grade Range: 10
Subject: Math

To learn the pattern of the side lengths of a 45-45-90 triangle, students complete a gallery walk, a card sort activity starting with using the Pythagorean theorem, and activity to locate if there is an error in a presented problem and if so to identify what the error is.

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Using Theoretical and Experimental Probability to Make Predictions

Resource ID: M7M2L17
Grade Range: 7
Subject: Math

Given an event to simulate, the student will use theoretical probabilities and experimental results to make predictions and decisions.

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Drawing Conclusions about Three-Dimensional Figures from Nets

Resource ID: M7M3L16
Grade Range: 7 - 8
Subject: Math

Given a net for a three-dimensional figure, the student will make conjectures and draw conclusions about the three-dimensional figure formed by the given net.

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Converting Between Measurement Systems

Resource ID: M7M2L8
Grade Range: 7
Subject: Math

Given a real-world situation with measurements in either metric/SI or customary units, the student will solve a problem requiring them to convert from one system to the other.

Can We Get There icon
Can We Get There?

Resource ID: TXLSR14.054
Grade Range: 8
Subject: Math

Students will calculate the rate of change and y-intercept from a real-world problem represented in a graph, a table, and/or an equation. They will then display and present their findings to the class.

Students working in their group

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Recognizing Misuses of Graphical or Numerical Information

Resource ID: M7M2L20
Grade Range: 7
Subject: Math

Given a problem situation, the student will analyze data presented in graphical or tabular form by evaluating the predictions and conclusions based on the information given.

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Evaluating Methods of Sampling from a Set of Data

Resource ID: M7M2L19
Grade Range: 7
Subject: Math

Given a problem situation, the student will evaluate a method of sampling to determine the validity of an inference made from the set of data.

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Graphing Proportional Relationships

Resource ID: M8M2L5*
Grade Range: 8
Subject: Math

Given a proportional relationship, students will be able to graph a set of data from the relationship and interpret the unit rate as the slope of the line.

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Analyzing Scatterplots

Resource ID: M8M2L13*
Grade Range: 8
Subject: Math

Given a set of data, the student will be able to generate a scatterplot, determine whether the data are linear or non-linear, describe an association between the two variables, and use a trend line to make predictions for data with a linear association.

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Writing Geometric Relationships

Resource ID: M8M3L8*
Grade Range: 8
Subject: Math

Given information in a geometric context, students will be able to use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.

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Solutions of Simultaneous Equations

Resource ID: M8M3L9*
Grade Range: 8
Subject: Math

Given a graph of two simultaneous equations, students will be able to interpret the intersection of the graphs as the solution to the two equations.

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Comparing and Explaining Transformations

Resource ID: M8M4L1*
Grade Range: 8
Subject: Math

Given rotations, reflections, translations, and dilations, students will be able to develop algebraic representations for rotations, and generalize and then compare and contrast the properties of congruence transformations and non-congruence transformations.

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Mean Absolute Deviation

Resource ID: M8M4L4*
Grade Range: 8
Subject: Math

Given a set of data with no more than 10 data points, students will be able to determine and use the mean absolute deviation to describe the spread of the data.

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Estimating and Finding Solutions to Problems Involving Similarity and Rates

Resource ID: M7M2L10
Grade Range: 7
Subject: Math

Given application problems involving similarity and rates, the student will estimate and determine the solutions to the problems.

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Generating Similar Figures Using Dilations

Resource ID: M7M2L11
Grade Range: 7
Subject: Math


Given a figure, the student will identify the scale factor used for a dilation, and use a dilation by a scale factor, including enlargements and reductions, to generate similar figures.

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Using Geometric Concepts and Properties to Solve Problems

Resource ID: M7M3L15
Grade Range: 7
Subject: Math

Given pictorial representations, the student will use geometric concepts and properties to solve problems from art and architecture.

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Using Proportional Relations to Find Missing Measurements of Two-Dimensional Figures

Resource ID: M7M2L12
Grade Range: 7
Subject: Math


Given pictorial representations and problem situations of 2-dimensional figures or 3-dimensional figures, the student will use proportional reasoning to find a missing measurement.

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Using Rational Numbers to Solve Problems

Resource ID: M7M1L5
Grade Range: 7
Subject: Math

Given a problem situation in verbal form, students will select and use an operation involving rational numbers in order to solve the problem.

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Selecting and Using Appropriate Forms of Rational Numbers

Resource ID: M7M2L5
Grade Range: 7
Subject: Math

Given real-life problems, the student will select an appropriate method and solve problems involving proportional relationships.

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Exploring Probability with Dependent Events

Resource ID: M7M2L15
Grade Range: 7
Subject: Math

The student will investigate and develop the concept of dependent probability, including formalizing procedures related to dependent probability and applications of dependent probability.

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