Curated OER
Area, Arithmetic and Algebra
Explore the concept of this perfect square trinomial and difference of squares lesson. A hands-on activity that uses paper rectangles and squares to illustrate the perfect-square trinomial and difference of squares formulas.
Curated OER
Using Proportions to Solve Problems
Skittles and math? Pupils will work as a class to determine how many orange Skittles are in a large bag by using proportions. They will problem solve, estimate, and share their thinking. Then, they will each receive a small bag of...
Curated OER
Fractions Everyday
Students investigate fractions through interactive videos and hands-on activities and class made models.
Curated OER
Number Base Clocks
Students investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to other...
Curated OER
The Journey of a Banana
To investigate the price of bananas in order to evaluate basic counting and number sense skills, your mathematicians focus upon multiplication and problem solving that incorporates social studies in the form of building awareness about...
Curated OER
Understanding Variables
Students solve linear equations and identify the unknown. In this algebra lesson, students define a variable and use addition, subtraction, multiplication and division to solve. They change the equation depending on the value of the...
Curated OER
WebQuest: Thrills and Spills- Pick Your Park!
Students participate in a WebQuest in which they must determine which amusement park is the "median priced" park. Students visit park websites to accumulate prices for parking, activities, restaurants, and gift shops.
Curated OER
Discovering Math: Computation
Middle schoolers add, subtract, multiply, and divide rational numbers. They find the square and the cube of numbers. They create a game incorporating computation on rational numbers. Everyone works together to write and evaluate...
Shodor Education Foundation
Spy Game
Turn students into detectives as they decipher encrypted messages. Introduce your class to modular arithmetic and have a little fun encrypting and decoding secret messages. The activity does not hit many content standards, but...
Curated OER
What Does It Cost to Use It?
High schoolers investigate how electrical usage is counted. In this electricity lesson, students research an electric bill and define terms such as watts and kilowatts. High schoolers calculate the average electricity cost per year by...
Curated OER
Number: Whole Numbers and Decimals
Pupils explore whole numbers and decimals. In this decimal lesson, students discover how to perform multiplication with decimals as they complete a worksheet.
Curated OER
7th Grade Math: Algebra (Distributive Property)
With algebra tiles in hand 7th graders will uncover the wonders of the distributive property of multiplication. They will take a pre-test, define the distributive property, then model and practice using their tiles to solve basic...
Illustrative Mathematics
Words to Expressions 1
Designed as a follow-up to the lesson plan titled Watch Out for Parenthesis 1, this activity asks young learners to write an equation for the calculation described with words rather than numbers and symbols. The treasure that 5th...
Curated OER
Delayed Gratification
Word problems are great for engaging critical thinking skills, and word problems involving money increase a child's financial literacy. Boost your critical and financial thinkers with a multi-step word problem involving money and problem...
Illustrative Mathematics
Data Transfer
A question to ask your class is, How fast is your Internet? That depends on the data transfer rate (DTR), which is the unit rate used in this activity. Math students will calculate how long it takes to download a music file and a video...
Curated OER
Multiply With Decimals
In this decimal multiplication activity, students complete a set of 25 problems, multiply a 1-digit number by a decimal number. A reference web site is given for additional activities.
Curated OER
Role of Energy in Reactions
In this energy worksheet, students determine the enthalpy of exothermic and endothermic reactions. This worksheet has 1 fill in the blank and 4 short answer questions.
Curated OER
Multiplying Decimals
In this multiplying decimals activity, learners multiply three and four digit numbers together that contain decimals. Students complete 15 problems.
Curated OER
Distributive Property
Students solve problems using distribution. In this algebra lesson, students factor equations using the distributive property. They graph their solution on a graph.
Curated OER
Matrix Inverses
Students solve problems with matrices. In this algebra lesson, students find the inverse of a matrix. They calculate the determinant and solve for the identity.
Curated OER
Polynomial Multiplication
Students review information about how to multiply polynomials and then work in pairs to complete a worksheet. They use graphing calculations to help them solve their math problems.
Curated OER
Divisibility Checks: Paired Activity
For this division game worksheet, students will work in small groups to play a game about dividing numbers. A teacher's guide with game instructions is included.
Curated OER
Estimation of Population Growth by Counting Offspring: Seed Multiplication
Students analyze a multi-seeded fruit, such as tomato, pepper, squash, watermelon, etc. They remove and count the seeds from the fruit and hypothesize/calculate the reproductive rate of that organism.
Curated OER
Two By One Multiplication
Third graders use base-ten blocks to find products of two-digits by one-digit by making a model of the problem. They complete a worksheet by multiplying 2-digits by 1-digit with regrouping. They may use the base-ten blocks if needed.