Education Development Center
Rectangles with the Same Numerical Area and Perimeter
Is it possible for a rectangle to have the same area and perimeter? If you disregard units, it happens! In a challenging task, groups work to determine the rectangles that meet these criterion. The hope is that learners will naturally...
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
Unequal Groups vs. Equal Groups
Third graders read and discuss math story problems and analyze if the story is using equal groups or unequal groups. They listen to the book "12 Ways To Get to 11," and simulate the story using beads on a pipe cleaner. Students then...
Curated OER
Unit 8 Algebra: Brackets
For this expansions worksheet, students use area to solve expansions of brackets problems. There are 4 of this type, each problem having less guidance than the previous. The second activity asks students to solve magic square puzzles...
Curated OER
Initial Fraction Ideas Lesson 15: Overview
Observe fraction numerators and denominators to determine if they are less than or equal to 1/2. In this fractions lesson plan, students simplify fractions and determine their relationship to 1/2.
Virginia Department of Education
Numbers in a Name
What's in a name? Pupils create a data set from the number of letters in the names of classmates. Each group then takes the data and creates a visual representation, such as a histogram, circle graph, stem-and-leaf plot, etc.
Curated OER
Problem Solving: Division
A cute zoo theme sets the tone for a problem-solving activity which primes early learners for division. They separate zoo animals into equal groups and then write an equation that expresses the action.
Noyce Foundation
Granny’s Balloon Trip
Take flight with a fun activity focused on graphing data on a coordinate plane. As learners study the data for Granny's hot-air balloon trip, including the time of day and the distance of the balloon from the ground, they practice...
CK-12 Foundation
Translation of Vectors and Slope: Identical Vectors
Translate vectors to find equivalent ones. An interactive shows 10 randomly displayed vectors. Pupils grab the vectors and move them to group them with similar vectors in magnitude and direction. Scholars find the groups of vectors that...
Curated OER
Mental Math: Multiplying Multiples of Ten- Reteaching Worksheet
In this mental math: multiples of ten reteaching activity, 4th graders review the steps of using a basic fact and a pattern of zeros to multiply mentally. They find the products in 16 examples, and use a table to answer 2 more.
Curated OER
Math Vocabulary
In this math vocabulary instructional activity, 6th graders match twenty-three math vocabulary words from column A to the definitions in column B.
Curated OER
Addition: Grouping Property
In this using the grouping property to add worksheet, students find the sum of one side and fill in the blank to make the other side of the equation equal. Students solve six problems.
Curated OER
How Many Buttons
Help learners explore the concepts of more than, less than, and equal to. They participate in a button attribute activity, play a game using buttons and a die, draw the sets of buttons in their journal, and play button bingo.
Curated OER
One and Tens Place Value - Step-by-Step Lesson
Give your pupils a grasp of place value in a two-digit number. They see a drawing of counting cubes in a stick of ten, then examine a set of four. Mathematicians determine how many blocks there are by grouping the tens. Ideally, you will...
Curated OER
Cuisenaire Mats
First graders use Cuisenaire rods to study the mathematical symbols =, <, > for the relationships is equal to, is less than, and is greater than. They use the rods to show visual explanations of common number combinations.
Savvas Learning
Putting Shapes in Order
Challenge math scholars with polygon word problems that require logical reasoning. They answer two word problems about geometric shapes and their arrangement in a column based on clues given. Next, learners draw a robot made of...
Creative Educator
Fantastic Fractions
Groups of learners create an animation illustrating fractions using common objects. They choose everyday objects that they can divide into fractions. They take pictures of the objects dividing into fractions and create an animation with...
Curated OER
SuperShapes, Part 1; "Tri"ing Triangles
An outstanding lesson on triangles awaits your math scholars. Learners focus on the triangle, which is the strongest of all polygons. They see the role that triangles play in the design of buildings, and learn about triangle...
Discovery Education
Architects in Action
Hands-on and real-world applications are great ways to teach mathematical concepts. Creative thinkers examine how ratios are used to create scale models of buildings and structures. They practice working with ratios by looking at a map...
EngageNY
Estimating Probabilities by Collecting Data
Take a spin to determine experimental probability. Small groups spin a spinner and keep track of the sums of the spins and calculate the resulting probabilities. Pupils use simulated frequencies to practice finding other probabilities to...
West Contra Costa Unified School District
Simplify Expressions and Solve Equations Using Two-Column Proofs
Increase understanding of the algebraic properties and their importance. Scholars justify their steps as they simplify expressions and solve equations. They formalize their work as two-column proof.
Virginia Department of Education
Inductive and Deductive Reasoning
Introduce pupils to the two types of reasoning, inductive and deductive. Classmates work in pairs or small groups to learn the difference between the two and apply these reasonings to develop valid conclusions.
EngageNY
Applying Probability to Make Informed Decisions
Use simulations to determine the probabilities of events to make decisions. Class members are presented with several scenarios, some with known probabilities and others without. Groups run simulations to gather data that they then...
Curated OER
Sunken Treasure
You've located buried treasure, now what? Explore how to use algebraic and geometric methods to determine where to place a recovery ship based on the location of the treasure.