This problem includes a percent increase in one part with a percent …
This problem includes a percent increase in one part with a percent decrease in the remaining and asks students to find the overall percent change. The problem may be solved using proportions or by reasoning through the computations or writing a set of equations.
This task is intended strictly for instructional purposes with the goal of …
This task is intended strictly for instructional purposes with the goal of building understandings of linear relationships within a meaningful and, hopefully, somewhat familiar context.
In this task students use different representations to analyze the relationship between …
In this task students use different representations to analyze the relationship between two quantities and to solve a real world problem. The situation presented provides a good opportunity to make connections between the information provided by tables, graphs and equations.
A pdf file that contains slides with visuals to be shown. It …
A pdf file that contains slides with visuals to be shown. It explains the CBC from its beginning to end with an example of Data taken from our local bird count.
Students will be instructed to build a data table and graph representing data. Then draw conclusions.
This task is primarily about volume and surface area, although it also …
This task is primarily about volume and surface area, although it also gives students an early look at converting between measurements in scale models and the real objects they correspond to.
In this animated and interactive object, learners examine the definitions and formulas …
In this animated and interactive object, learners examine the definitions and formulas for radius, diameter, circumference, and area. Students also solve practice problems involving the circumference and area of a circle.
This resource could be used an a precurser for a lesson on …
This resource could be used an a precurser for a lesson on comparing areas of circles and squares. There is guess and check involved, as well as digging deeper to find the correct answer. Students could do part of this on their own device, using GeoGebra to help with graphing the equations. If students do not have access to devices, then the teacher can use it as a class discussion.
This includes questions that can be posed to students, as well as visuals to make the entire task make sense to students. Answer is included.
An applet for students to use in exploring the area and circumference …
An applet for students to use in exploring the area and circumference of a circle in relation to its radius and diameter. When the radius is changed, the other measures automatically change and are shown on a board. Most importantly, the ratio between any pair of these measures can be shown.
This applet allows students to investigate the relationships between the area and …
This applet allows students to investigate the relationships between the area and circumference of a circle and its radius and diameter. There are three sections to the site: Intro, Investigation, and Problems. In the Intro section, students can manipulate the size of a circle and see how the radius, diameter, and circumference are affected. Students can also play movie clip to visually see how these measurements are related. The Investigation section allows students to collect data points by dragging the circle radius to various lengths, and adding and recording the data to a table which records the radius, diameter, circumference and area. Clicking on the x/y button allows students to examine the relationship between any two measures. Clicking on the graph button will take students to a graph of the data. They can plot any of the four measures on the x-axis against any of the four measures on the y-axis. The Problems section contains questions for students to solve and record their answers in the correct unit.
Although this task is fairly straightforward, it is worth noticing that it …
Although this task is fairly straightforward, it is worth noticing that it does not explicitly tell students to look for intersection points when they graph the circle and the line. Thus, in addition to assessing whether they can solve the system of equations, it is assessing a simple but important piece of conceptual understanding, namely the correspondence between intersection points of the two graphs and solutions of the system.
This task shows that the three perpendicular bisectors of the sides of …
This task shows that the three perpendicular bisectors of the sides of a triangle all meet in a point, using the characterization of the perpendicular bisector of a line segment as the set of points equidistant from the two ends of the segment. The point so constructed is called the circumcenter of the triangle.
This group of activities, tasks, videos, and lessons allowed me to reinforce …
This group of activities, tasks, videos, and lessons allowed me to reinforce the classification of quadrilaterals. I used this lesson in my math intervention grouping of seventh graders that were struggling with Geometry shapes. There is a variety of ways to reinforce the skill while students were very engaged. The sites were really easy to share with the ease linking to Google Classroom.
This lesson unit is intended to help you assess how well students …
This lesson unit is intended to help you assess how well students are able to: Classify solutions to a pair of linear equations by considering their graphical representations.Use substitution to complete a table of values for a linear equation.Identify a linear equation from a given table of values.Graph and solve linear equations.
In this data collection and analysis activity students investigate data in connection …
In this data collection and analysis activity students investigate data in connection with recyclable materials and develop plans to help the environment. This activity requires students to keep track of their own paper use for a week, graph the data with a line graph and then interpret their results with a partner. The lesson includes student worksheets and extension suggestions.
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