15-30 minutes. Inspired by Jon Orr. Follow-up questions prompt discussion and debate! In this activity, students use linear modeling to predict how long it will take for a smartphone to reach full charge. 30-45 minutes. Beware of false "BOGUS" properties! In this proportional reasoning activity, students explore the relationship between circle area, sector area, and sector angle. The solution button only works if the graph has a line drawn on it. Using that function, they construct an input-output table. Pixel Patterns  Students investigate patterns in order make predictions about the number of blue and purple squares in a grid of pixels. This is a basic introduction to Functions activity for an Algebra 1 class with some knowledge of Functions. Classroom Activities. In this activity, students determine whether a series of relationships represent functions. Locating fractions on a number line.Some sets include 1/10 scale as transition to fraction and decimal equivalents. In each sort there are some equations that have no match. Students create "Winking Boy" (a simplified Desman) by using linear equations with domain and range restrictions. Practice. Battle Boats  by Desmos. Practice. Practice. Students are forced to find common factors and greatest common factors to create adjacent rectangles with a common side. Function drawing desmos. Teachers and students have the flexibility to create their own problems. Key vocabulary that may appear in student questions includes: parallel, intersect, solution, quadrant, axis, vertical, horizontal, slanted, increasing, and decreasing. We recommend students work on this task using computers AND paper. (6th or 7th Grade?). Visual Ratios. Edited with love by Eli. A graphing project inspired by David Petro, Kathy Henderson, Heather Bolur and her students' work, and Fawn Nguyen! In this activity, students will practice solving equations with multiple steps and with variables on both sides of the equality. Save my name, email, and website in this browser for the next time I comment. (added 4/18/17). Connect The Dots With Linear Equation Activity Builder By Desmos. Students explore the relationship between college costs and time. In this activity, students sort 10 types of fruit by tastiness and ease of eating in order to learn how those attributes can be represented on a coordinate plane, and to determine which fruit truly is "best". In this brief activity, students count the number of peaches in a photograph. In this activity, students explore the relation between median age at first marriage and time (number of years since 1960) for men and women. There is also an extension where students try to reflect a pre-image across the line y = x. Translations and Reflections by Paul Jorgens. What should teachers be doing? They’ll be ready for you to introduce this idea. You're gonna need it. Rational Card Sort by Joel Bezaire. 30-45 minutes. (added 10/11/17), . It is Linear Function Practice: Rule to Table to Graph , and its name pretty well describes what it’s about. The only changes are the function and the input values that prepopulate the table. 30-45 minutes. In this proportional reasoning activity, students explore the relationship between circle area, sector area, and sector angle. We’re building worlds. This is a basic introduction to Functions activity for an Algebra 1 class with some knowledge of Functions. Inspired by the "Two Truths and a Lie" math strategy, this quick check provides students with opportunities to analyze graphs. This one is good for statistics or early algebra; it requires no equation expertise. This Custom Polygraph is designed to spark vocabulary-rich conversations about three-dimensional objects. (added 9/17/16), Sums to Sixty by Cindy Whitehead (added 12/3/16), Chance Experiments by Desmos. The Desmos Activity Building Code supports integrating this type of strategy into practice. Students use informal language about the coordinate plane as they determine the matching graph. Key Understandings: A solution to a linear equation can be interpreted in two ways: (a) graphically, as a point on the line, and (b) algebraically, as an ordered pair that yields a true statement when substituted into the equation. Students will generate a need to use less informal language and more formal language when describing linear relations. (Also works well with Grade 8), Picture Perfect  by Desmos. Here’s a nice one for practice. Link to clothesline cards used with the lesson. Designed to spark vocabulary-rich conversations about fractions and part-to-whole relationships. This is all due to major improvements to our technology and our pedagogy. (added 2/9/17). Shading the hat can be optional. Edited with love by David Petro. This activity includes the Least Solution challenge (see next activity below). In this activity, students make predictions about—and with—a line of best fit. Polygraph: Lines, Part 2 This activity follows up on Polygraph: Lines, using the discussions (and students' informal language) in that activity to develop academic vocabulary related to the graphs of linear functions. Then ask them to play several more games, putting that precise language to work. If you want to add or remove functions, or change them, or change the entries in the table, feel free to do so! At first glance, these are *just* rectangles, but many perimeters and areas have been strategically chosen. In this activity, students apply (and deepen) their knowledge of one-variable inequalities to "collect" as many points on the number line as they can. Students (1) describe and execute dilations using reductions, enlargements, and scale factor; (2) perform error analysis, critiquing a classmate's mistake, and then fixing it. Lines, Transversals, and Angles  Students explore the relationship among angles formed by a transversal and a system of two lines. Of course, students could abuse this and look at the solution before drawing their own, so I added a couple of features discourage this. Short tutorial videos with facilitation and dashboard tips can be found, by Andrew Stadel. Practice. Ask students to sketch the graph of a linear equation, but also ask them to sketch the graph of any linear equation that has a positive slope and a negative y-intercept. This lesson from Desmos gives students the chance to interact with the concept of systems of linear equations. Students will also interpret the features of the graph in context. (added 11/20/16), by Desmos. by Desmos. Students explore the relationship between the number of cricket chirps and the temperature. This activity focuses on linear patterns. 30-45 minutes. Mini Golf Marbleslides by Jennifer Vadnais. Where’s ⅔? (added 11/20/16), This activity helps students discover that perpendicular lines need opposite AND reciprocal slopes. Students sort numbers written in standard form and scientific notation to make sure they understand the difference between "really large numbers" and "really small numbers" before they begin learning how to convert between the two forms. The table component allows students to explore connections between multiple representations—graph to table, table to equation, text to table, and more! Students will first write about that transformation verbally, developing their intuition about the transformation, before then writing it algebraically.
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