Illustrative Mathematics
Origami Stars
This one problem concentrates on the important concept of dividing a whole number by a unit fraction. Here, young mathematicians use pictures they draw to help answer this problem. Insight into the connection between multiplication and...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
Curated OER
Word Problems Dealing with Ratio and Proportion
Mindful middle-schoolers read and solve a number of word problems. Learners copy and discuss what they believe their strategies are in solving each problem. They also write their findings and share with the rest of the class.
Curated OER
Challenge Your Middle Schoolers with Mathematical Strategy Games!
Help learners develop the ability to think logically and mathematically, in a really fun and engaging way.
Illustrative Mathematics
Fruit Salad
Playing with values in this fruit salad problem allows learners to find out how many cherries were mixed in. Your middle schoolers can organize their thoughts in a chart before going into the equation. Eigth graders can skip the chart...
Mathematics Assessment Project
Optimizing Coverage: Security Cameras
Are you being watched? Class members determine where to place security cameras protecting a shop. They then evaluate their own and several provided solutions.
Virginia Department of Education
Give or Take a Few
Young mathematicians extend their knowledge of rational numbers on a number line to graph inequalities by first using number cards to compare rational numbers. They finish by using similar reasoning to graph inequalities on a number line.
Curated OER
How much is a movie worth?
Students discover how much a movie is worth. They use decimals and percentages greater than 100 to complete this activity.
Curated OER
Snowflake Curve
Students develop an appreciation for complex structures in nature. They observe patterns in nature in relationship to the Real World. Students use observation skills to assist in problem solving. They show comprehension of the concepts...
Curated OER
Numbers, Numbers Everywhere!
Explore properties of integers! For this algebra lesson, pupils add, subtract, divide and multiply using integers correctly. They differentiate between rational and irrational numbers.
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...
Curated OER
One Size Fits All, Part 1
Can you tell how tall someone is just by looking at their feet? In this activity, young mathematicians measure their height, arm span, and foot size, graph their findings, and answer questions about how these measurements are related....
Curated OER
Fire!, Probability, and Chaos
Upper elementary and middle schoolers work with the concept of probability. They are introduced to the concept of chaos. Learners graph and analyze using a line plot, work with mean, and are introduced to the concept of variance.
Curated OER
Using Integer Tiles
Demonstrate how to add and subtract positive and negative numbers using tiles. Pupils complete a variety of activities on a worksheet, including mixed addition and subtraction problems, subtracting and adding opposites, and magic squares...
Curated OER
Mastering Math Vocabulary of Prime and Composite Numbers Using Venn Diagrams
Create Venn diagrams. Your class will discover the relationships between even and prime numbers. Next, they will compare that to the relationship between odd and composite numbers.
Virginia Department of Education
Ground Zero
Don't harbor any negative feelings toward negative numbers. Scholars learn about different classifications of rational numbers, including negative integers. They also develop definitions of the opposite and the absolute value of a...
Curated OER
Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
Curated OER
Science Fair Space
Young scholars determine the most equitable way to share space and cost between three schools for a fictional science fair. Given a diagram, a word problem, and a data set, students analyze and explain the best way for all schools to...
Curated OER
Math: Currency Exchange Rates
Sixth graders apply the division and multiplication of decimals to convert dollars to various international currencies. In a travel simulation activity, they convert money, distance, and temperatures. During their "trip," students...
Curated OER
Penny's Pizza
Students develop a list of possible outcomes as a method of finding probability related to a pizza statistics problems. They read the problems together as a class, brainstorm ways to solve the problem, and in partners solve the pizza...
Curated OER
Now, what the heck is a NUMBER LINE again???
A unique approach to reviewing number lines and how to locate different values on them, this worksheet poses several questions that require written answers rather than calculations. You could use this as a note-taking guide when teaching...
Curated OER
Cannot Buy Me Love
Students investigate the concepts that are related to finance and how it is used in the world. They take part in activities that are focused around the use of a spreadsheet while using a T-chart to simulate a ledger of credits and debits.
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