In this video from Khan Academy, students learn about the difference of squares. This video can be used during a lesson on factoring quadratics. The video is 4 minutes and 53 seconds in length and can be assigned through Google Classroom.
In this video from Khan Academy, students learn about the perfect square factorization. This video can be used during a lesson on factoring quadratics. The video is 5 minutes and 18 seconds in length and can be assigned through Google Classroom.
In this video from Khan Academy, students learn about factoring quadratics as a perfect square of a difference. This video can be used during a lesson on factoring quadratics. The video is 4 minutes and 54 seconds in length and can be assigned through Google Classroom.
In this video from Khan Academy, students learn about solving systems of equations by elimination. This video can be used during a lesson on solving systems of equations. The video is 12 minutes and 43 seconds in length and can be assigned through Google Classroom.
In this YouTube video from Khan Academy, students learn about solving linear systems by graphing. This video can be used during a lesson on solving systems of equations. The video is 8 minutes and 29 seconds in length and can be assigned through Google Classroom.
In this video from Khan Academy, students learn about solving linear systems of equations. This video can be used during a lesson on solving systems of equations. The video is 9 minutes and 57 seconds in length and can be assigned through Google Classroom.
In this video segment from Cyberchase, Buzz, Delete, and Harold are trying to share 18 pieces of candy equally among themselves. Jackie helps them by demonstrating how to divide the candies equally by distributing the candies in rounds.
Use this fun example to compose 10 from digits within 10. Agent Oscar shows agents how to combine gadgets to form the gadget they need.
Odd Squad agents Olive and Otto use addition and subtraction to figure out what's causing people in the park to be covered in plaids and stripes, especially when Otto is suddenly covered in yellow and white polka dots.
In this video segment from Cyberchase, there is a valuable Encryptor chip being auctioned off that the CyberSquad needs to purchase in order to save Motherboard. It looks like it will take at least 100 Snelfus to win the bidding. The CyberSquad plans to raise Snelfus by working each day to earn and save Snelfus over a period of 11 days. The squad must use their multiplication and division skills to solve their problem!
Students are asked to estimate time and numbers of objects in situations in which counting is not feasible or necessary. This CYBERCHASE activity is motivated by two sections of a Cyberchase episode: 1) In the For Real section, Harry is waiting in line for tickets and trying to estimate whether he has enough time to buy his tickets before the booth closes (based on the length of the line and the rate at which it is moving); and 2) In the animated portion of the same episode, Inez estimates whether she has enough jelly beans to decorate all of the cookies in a batch she is preparing.
Students will use the Quizizz response system to complete a Multi-Step Equations Assessment. Quizizz allows the teacher to conduct student-paced formative assessments through quizzing, collaboration, peer-led discussions, and presentation of content in a fun and engaging way for students of all ages.
Students will use the Quizizz response system to complete a Multi-Step Inequalities Assessment. Quizizz allows the teacher to conduct student-paced formative assessments through quizzing, collaboration, peer-led discussions, and presentation of content in a fun and engaging way for students of all ages.
Students will use the Quizizz response system to complete an Adding and Subtracting Rational Numbers Assessment. Quizizz allows the teacher to conduct student-paced formative assessments through quizzing, collaboration, peer-led discussions, and presentation of content in a fun and engaging way for students of all ages.
Students will use a Desmos activity to find solutions to systems of linear equations. This activity will help students understand what it means for a point to be a solution to a system of equations–both graphically and algebraically. This Desmo activity offers sample student responses and a teacher guide.
Students will use a Desmos activity to solve systems of linear equations. In this activity, students write and solve a system of two linear equations to explore the numerical and graphical meaning of "solution." The activity closes by asking students to apply what they have learned to similar situations. This Desmos activity offers sample student responses and a teacher guide.
In this Desmos activity, students practice what they have learned about solving systems of linear equations. The activity begins with a review of the graphical meaning of a solution to a system. Later, students consider which algebraic method is most efficient for solving a given system. Finally, students practice solving equations using substitution and elimination. Prior to beginning this activity, students should have experience solving systems of linear equations graphically and algebraically. This Desmos activity offers sample student responses and a teacher guide.
In this Desmos activity, students "zap" lines by identifying their solutions to systems of equations. Students begin by zapping individual lines and then turn their attention to systems of linear equations where a single "zap" aimed at a point of intersection will capture multiple lines at once. Prior to beginning this activity, students should have experience solving systems of linear equations graphically and algebraically. This Desmos activity offers sample student responses and a teacher guide.
In this Desmos activity, students will develop their understanding of systems of equations, particularly as they're represented as tables, equations, and graphs. The students apply that understanding to the question, "Will one racer catch another?" This Desmos activity offers sample student responses and a teacher guide.
In this Desmos activity, students explore linear inequalities and make connections among multiple representations (including algebraic expressions, verbal statements, number line graphs, and solution sets). There are a series of 3 videos available to fully teach this concept. The videos are labeled "Inequalities on the Number Line," "Compound Inequalities on the Number Line," and "Absolute Value Inequalities on the Number Line." This activity should be used to help teach a lesson on solving linear inequalities. This Desmos activity offers sample student responses and a teacher guide.
In this Desmos activity, students explore compound inequalities and make connections among multiple representations (including algebraic expressions, verbal statements, number line graphs, and solution sets). There are a series of 3 videos available to fully teach this concept. The videos are labeled "Inequalities on the Number Line," "Compound Inequalities on the Number Line," and "Absolute Value Inequalities on the Number Line." This activity should be used to help teach a lesson on solving linear inequalities. This Desmos activity offers sample student responses and a teacher guide.
In this video, Harley moves in with Harry and makes Harry's life miserable. Harley spies on Harry writing in his diary. When Harley "borrows" the diary, he finds it is written in a code using numbers. Harley figures out a pattern with numbers and letters and decodes the page to find it is a message for Harley saying it is time to move out.
In this video segment from Cyberchase, Harry gets a new job as the manager of a candy store. Customers who come into the store use fractions to order boxes of different types of chocolates. Harry teaches his cousin, Harley, how the fractional amounts correspond to the number of pieces to place in the box. Harley takes over during Harry’s lunch break, and when Harry returns he finds a disappointed customer was not given the correct amount of chocolates in his order.
Olive and Otto need to add multiple small numbers together in series. There's only one thing to do: go to the Mathroom and learn to count on from a number.
It's Picture Day at Odd Squad, and Otto needs to use an equation to calculate how long he needs to wait in line. Otto will learn to solve subttaction problems by finding the missing addend.
In this Desmos activity, students explore transformations of plane figures and describe these movements in everyday language using words like "slide," "shift," "turn," "spin," "flip," and "mirror." Students are not expected to use formal math vocabulary yet. This lesson provides both the intellectual need for agreeing upon a common language and the chance for students to experiment with different ways of describing some transformations in the plane. This activity should be used to help teach a lesson on transformations. This Desmo activity offers sample student responses and a teacher guide.
In this Desmos lesson, students are informally introduced to dilations through experimenting with "sketching machines" that allow them to adjust various parts of a drawing to see the effect on the pre-image. Students are then introduced to similarity as the result of dilation. This activity should be used to help teach a lesson on transformations. This Desmos activity offers sample student responses and a teacher guide.
In this Desmos activity, students practice finding equations of lines in order to land a plane on a runway. Most of the challenges are well-suited to slope-intercept form, but they are easily adapted to other forms of linear equations depending on the goals of an individual class or a student. This activity should be used to help teach a lesson on slope-intercept. This Desmos activity offers sample student responses and a teacher guide.
In this Desmos activity, students practice finding equations of lines in order to hit the runway. Students will practice writing equations of lines, introducing the concepts of slope-intercept lines. This activity should be used to help teach a lesson on slope-intercept. This Desmos activity offers sample student responses and a teacher guide.
This Custom Polygraph is designed to spark vocabulary-rich conversations about transformation. Key vocabulary that may appear in student questions includes translation, rotation, reflection, dilation, scale factor, pre-image, and image. In the early rounds of the game, students may notice graph features from the list above, even though they may not use those words to describe them. After most students have played 2-3 games, consider taking a short break to discuss strategy, highlight effective questions, and encourage students in their use of increasingly precise academic language. This activity should be used to help teach a lesson on transformations. This Desmos activity offers sample student responses and a teacher guide.
In this PhET activity, students will explore the world of lines and investigate the relationships between linear equations, slope, and graphs of lines. The learning goals for this activity will be to explain how the slope of a graphed line can be computed, graph a line given an equation in either slope-intercept or point-slope form, write an equation in slope-intercept or point-slope form given a graphed line, and predict how changing variables in a linear equation will affect the graphed line. This activity should be used to help teach a lesson on graphing linear equations. This PhET activity can be downloaded and assigned to Google Classroom.
In this PhET activity, students explore the slope-intercept form of a line and connect the slope and y-intercept to the equation of the line. The learning goals for this activity will be to graph a line given an equation in slope-intercept form, write an equation in slope-intercept form given a graphed line, predict how changing the values in a linear equation will affect the graphed line, and predict how changing the graphed line will affect the equation. This activity can be used to help teach a lesson on graphing linear equations. This PheET activity can be downloaded and assigned to Google Classroom.
In this classroom resource from Desmos, students will build a visual understanding of amplitude, period, and phase shift with an introduction to trigonometric graphing. They can use this understanding to find models for given graphs of the sine function. The resource could also be used to help teach a lesson on trigonometric graphs. The resource includes sample student responses and a teacher's guide.
In this MathPlanet lesson, students will learn the properties of exponents. The students will learn to multiply powers, apply the power of a power property, divide exponents, raise a quotient to a power, and what to do with a negative exponent. This lesson includes a video lesson and can be added to Google Classroom.
In this PhET activity, students will drop balls through a triangular grid of pegs and see them accumulate in containers. Switch to a histogram view and compare the distribution of balls to an ideal binomial distribution. Adjust the binary probability and develop your knowledge of statistics! This activity could be used to help teach a lesson on probability. This Phet activity can be downloaded and assigned to Google Classroom.
