Illustrative Mathematics
Illustrative Mathematics: 8.ee Who Has the Best Job?
This problem asks students to compare the incomes for two different jobs, draw their graphs, and explain whether the graphs alone would show who makes the most per hour. Aligns with 8.EE.B.5.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Coordinate Geometry
Get independent practice working with coordinate geometry. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Mangahigh
Mangahigh: Algebra: Draw Straight Line Graphs Using Y = Mx + B
Students watch an online tutorial on the concept of graphing using slope intercept form. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.
Illustrative Mathematics
Illustrative Mathematics: G Gpe.5 Triangles Inscribed in Circle
In this task, students use ideas about linear functions to determine when certain angles are right angles. They use the fact that two lines (if not vertical or horizontal) are perpendicular when their slopes are inverse reciprocals, as...
Illustrative Mathematics
Illustrative Mathematics: G Gpe a Midpoint Miracle
In this task, students are asked to draw a quadrilateral so that no two sides are congruent, no two angles are congruent, and no two sides are parallel. The task gives students the opportunity to prove that if we join the midpoints of a...
Illustrative Mathematics
Illustrative Mathematics: G Gpe, G Co, G Srt Unit Squares and Triangles
In this task, students are shown three unit squares and two line segments connecting two pairs of vertices. They are asked to find the area of a triangle formed by intersecting lines. They can solve it using coordinate geometry or...
Illustrative Mathematics
Illustrative Mathematics: S Id.6a,7 Olympic Men's 100 Meter Dash
This task asks students to identify when two quantitative variables show evidence of a linear association and to describe the strength and direction of that association. Students will use a scatterplot showing the finishing times for the...
Illustrative Mathematics
Illustrative Mathematics: F Le Boiling Water
Young scholars are shown two tables of data showing the approximate boiling point of water at different elevations. Both data sets can be modeled by linear functions but with different slopes. When the tables are combined, however,...
Illustrative Mathematics
Illustrative Mathematics: A rei.c.6: Estimating a Solution via Graphs
The purpose of this task is to give learners an opportunity use quantitative and graphical reasoning to detect an error in a solution. Aligns with A-REI.C.6.
Illustrative Mathematics
Illustrative Mathematics: F Le Taxi!
In this task, students explore the linear relationship between distance traveled and taxi fare cost. Aligns with A-REI.D.10 and F-LE.B.5.
Curated OER
Unesco: Algeria: Timgad
Timgad lies on the northern slopes of the Aures mountains and was created ex nihilo as a military colony by the Emperor Trajan in AD 100. With its square enclosure and orthogonal design based on the cardo and decumanus, the two...
Curated OER
Unesco: Tanzania: Kondoa Rock Art Sites
On the eastern slopes of the Masai escarpment bordering the Great Rift Valley are natural rock shelters, overhanging slabs of sedimentary rocks fragmented by rift faults, whose vertical planes have been used for rock paintings for at...