This post explains and gives practice opportunities related to TEKS 8.5G: identify functions using sets of ordered pairs, tables, mappings, and graphs Instruction Students learn to identify functions, or coordinates in which each x-coordinate pairs with exactly one y-coordinate, in a variety of representations. STAAR Practice Between 2016 and 2025 (including redesign practice), this readiness standard has been tested 21 times on the STAAR test. Videos explaining the problems

This post explains and gives practice opportunities related to TEKS 8.5F: distinguish between proportional and non-proportional situations using tables, graphs, and equations in the form y = kx or y = mx + b, where b ≠ 0 Instruction Students learn that proportional relationships always pass through the origin when graphed. STAAR Practice Between 2016 and 2025 (including redesign practice), this supporting standard has been tested 8 times on the STAAR test. Videos explaining t

This post explains and gives practice opportunities related to TEKS 8.5E: solve problems involving direct variation Instruction Students learn to use direct variation (y = kx) to solve problems. STAAR Practice Between 2016 and 2025, this supporting standard has been tested 6 times on the STAAR test. Videos explaining the problems can be found below. If you'd rather take a quiz over these questions, click here . The videos below are linked to the questions in the quiz as answe

This post explains and gives practice opportunities related to TEKS 8.5D: use a trend line that approximates the linear relationship between bivariate sets of data to make predictions Instruction Students learn that trend lines can be used to approximate the linear or non-linear relationship of scatterplot data. STAAR Practice Between 2016 and 2025 (including redesign practice), this readiness standard has been tested 21 times on the STAAR test. Videos explaining the problems

This post explains and gives practice opportunities related to TEKS 8.5C: contrast bivariate sets of data that suggest a linear relationship with bivariate sets of data that do not suggest a linear relationship from a graphical representation Instruction Students distinguish linear from not linear trends in scatterplots. STAAR Practice Between 2016 and 2025, this supporting standard has been tested 5 times on the STAAR test. Videos explaining the problems can be found below.

This post explains and gives practice opportunities related to TEKS 8.5B: represent linear non-proportional situations with tables, graphs, and equations in the form of y = mx + b, where b ≠ 0 Instruction Students learn that linear non-proportional relationships do not pass through the origin and can be shown in a variety of situations. STAAR Practice Between 2016 and 2025 (including redesign practice), this supporting standard has been tested 6 times on the STAAR test. Video

This post explains and gives practice opportunities related to TEKS 8.5A: represent linear proportional situations with tables, graphs, and equations in the form of y = kx Instruction Students learn that linear relationships can be shown in a variety of situations. STAAR Practice Between 2016 and 2025 (including redesign practice), this supporting standard has been tested 8 times on the STAAR test. Videos explaining the problems can be found below. If you'd rather take a quiz

This post explains and gives practice opportunities related to TEKS 8.4C: use data from a table or graph to determine the rate of change or slope and y- intercept in mathematical and real-world problems Instruction Slope and y-intercept can be determined from graphs, tables, and real-world problems. Here are some activities you can use to teach this standard. STAAR Practice Between 2016 and 2025 (including redesign practice), this readiness standard has been tested 21 times

This post explains and gives practice opportunities related to TEKS 8.4B: graph proportional relationships, interpreting the unit rate as the slope of the line that models the relationship Instruction Students find the connection between unit rate and the slope of a line on a coordinate plane. STAAR Practice Between 2016 and 2025 (including redesign practice), this readiness standard has been tested 21 times on the STAAR test. Videos explaining the problems can be found below

This post explains and gives practice opportunities related to TEKS 8.4A: use similar right triangles to develop an understanding that slope, m, given as the rate comparing the change in y- values to the change in x- values, (y2 - y1 ) / (x2 - x1 ), is the same for any two points (x1 , y1 ) and (x2 , y2 ) on the same line Instruction Students learn how slope remains the same for two similar right triangles that share a hypotenuse with a continuous line. STAAR Practice Between

This post explains and gives practice opportunities related to TEKS 8.3C: use an algebraic representation to explain the effect of a given positive rational scale factor applied to two-dimensional figures on a coordinate plane with the origin as the center of dilation Instruction Students continue to apply their knowledge of dilations to create algebraic expressions. STAAR Practice Between 2016 and 2025 (including redesign practice), this readiness standard has been tested 20

This post explains and gives practice opportunities related to TEKS 8.3B: compare and contrast the attributes of a shape and its dilation(s) on a coordinate plane Instruction Students dilate shapes using a scale factor and compare the dilation with the original. STAAR Practice Between 2016 and 2025, this supporting standard has been tested 4 times on the STAAR test. The videos explaining the problem can be found below. If you'd rather take a quiz over these questions, click h

This post explains and gives practice opportunities related to TEKS 8.3A: generalize that the ratio of corresponding sides of similar shapes are proportional, including a shape and its dilation Instruction Students explore how transformations, including dilations, affect similar shapes. STAAR Practice Between 2016 and 2025, this supporting standard has been tested 8 times on the STAAR test. Videos explaining the problems can be found below. If you'd rather take a quiz over th

This post explains and gives practice opportunities related to TEKS 8.2D: order a set of real numbers arising from mathematical and real-world contexts Instruction Students continue to apply their knowledge of comparing numbers to order lists of rational and irrational numbers. STAAR Practice Between 2016 and 2025 (including redesign practice), this readiness standard has been tested 21 times on the STAAR test. Videos explaining the problems can be found below. If you'd rathe

This post explains and gives practice opportunities related to TEKS 8.2C: convert between standard decimal notation and scientific notation Instruction Students learn to how to represent really large and really small numbers using exponents (scientific notation). STAAR Practice Between 2016 and 2025 (including redesign practice), this supporting standard has been tested 8 times on the STAAR test. Videos explaining the problems can be found below. If you'd rather take a quiz o

This post explains and gives practice opportunities related to TEKS 8.2B: approximate the value of an irrational number, including π and square roots of numbers less than 225, and locate that rational number approximation on a number line Instruction Students learn to approximate the value of square roots without calculators. STAAR Practice Between 2016 and 2025, this supporting standard has been tested 6 times on the STAAR test. Videos explaining the problems can be found be

Click on the links below to access each post in this 8th grade TEKS review series. Reporting Category 1 Probability and Numerical...

This post explains and gives practice opportunities related to TEKS 8.2A: extend previous knowledge of sets and subsets using a visual representation to describe relationships between sets of real numbers Instruction Students extend previous knowledge of real numbers to include both rational and irrational number sets. STAAR Practice Between 2016 and 2025, this supporting standard has been tested 3 times on the STAAR test. The videos explaining the problems can be found below