Curated OER
Verbal and Algebraic Expressions
In this expressions worksheet, students solve and complete 30 various types of problems that include defining both verbal and algebraic expressions. First, they translate each verbal expression into an algebraic expression and vice...
Curated OER
River Optimization Problem
Students define the different methods used for optimizing a particular element of a problem. In this optimization problem lesson, students optimize appropriate details of a problem using data collection, algebra, technology, and/or...
Curated OER
Factoring Trinomials
Students factor trinomials using algebra tiles and blocks. In this algebra lesson, students complete a trinomials station activity. They work backwords to find their answers and discuss their steps in a group.
Curated OER
Inequality and Simple Interest Review
Students review how to solve and graph an inequality. They also review how to find simple interest from a given problem set. The teacher performs informal assessment through observation of students.
Rainforest Alliance
Forests of Guatemala
With 90 percent of its land area covered in forests, Suriname, a country in South America, contains the largest percentage of forests throughout the world. Here is an activity that brings classmates together to learn about the...
Curated OER
Selecting the Best Method for Solving Quadratic Equations
In this solving quadratic equations worksheet, students select the best method to solve a quadratic equation and then solve five quadratics. Fully worked examples are provided.
Curated OER
Rewriting Equations &Formulas
Practice with literal equations. Solve for one variable in terms of another. Find the value of y given specific values of x. This short instructional activity would make a good warm-up activity at the beginning of class or a quick...
Illustrative Mathematics
Cynthia's Perfect Punch
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...
Curated OER
Translate Word Phrases and Sentences into Equations
Use this video to show your learners an example of how to translate word phrases into an equation to solve a real-world problem. The presenter begins with a review of how to use cross products to solve a proportion, including how to do...
Curated OER
Water Wonders
Students measure the amount of surface tension using a balance scale after a classroom demonstration students diagram the appearance of several liquids and label them.
Curated OER
Building Sets of 13 and 14
Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.
Curated OER
Ordering Rational Numbers and Finding Their Approximate
Middle schoolers explore the concept of ordering rational numbers on a number line. They represent rational numbers as decimals and percents. Pupils create a foldable about converting fractions to decimals to percents, and use a...
Curated OER
Solving Linear Systems by Substitution
Practice solving two equations with two unknowns. Here are five problems for using the substitution method. Included are clear, concise step-by-step instructions for the learner to follow. Problems start out easy and gradually get more...
Curated OER
Solving Linear Systems by Linear Combinations
This worksheet offers six problems to practice solving simultaneous equations using the method of elimination. Start with systems that require multiplying only one of the equations. Then move to systems which require multiplying both...
Curated OER
Solving Systems of Linear Equations in Three Variables
Practice solving linear systems of three equations with three unknowns using the elimination method and substitution method. This handout includes graphics of different combinations of intersecting planes to help illustrate the different...
Curated OER
Cover and Boarders
Students find the area and perimeter of rectangular figures. They use this information to find patterns and discover relationships between area and perimeter. Students apply and explain formulas relating to perimeter, area, and volume.
Curated OER
Representing Numbers Using Scientific Notation
Learners explore the concept of scientific notation. In this scientific notation lesson, mathematicians discuss how multiplying by a power of 10 affects the decimal. They play Powers of 10 Yahtzee. Students roll a die five times and each...
Curated OER
China's Population Growth
Learners collect data from China's population growth and determine the mean, median, and mode from the data. In this data lesson plan, pupils determine probabilities and use them to make predictions.
Curated OER
Bungee Jump Lab
Student apply linear relationships to the real world. They use Ken and Barbie dolls and experiment to find the line of best fit. They collect data, analyze data, and make predictions from it. The learners also use Microsoft Power Point...
Curated OER
Shadow Casting
Eighth graders use a meter stick that is placed on a horizontal surface and an object is moved along it so that the shadow length can be measured at different distances from the light source. They solve real-world problems involving...
Curated OER
The Price is Right
Students, through various activities, explore online databases. Using the internet, students explore the distributors websites. They collect specific information on selected products. An spreadsheet with price comparisons is developed....
Curated OER
Understanding 10: Backwards and Forwards
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
Chart Trivia
Learners practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.