Curated OER
Organizing and Understanding, Step-by-Step
Use this number comparison and counting worksheet as an overhead projection for the whole class, because the answer is explained on the bottom half of the sheet. Cover the answer and reveal it once learners have tried it themselves. They...
Curated OER
Complex Distance
Have learners graph complex numbers to gain a visual and mathematical understanding of the distance and the midpoint between two complex numbers. This lesson is short, but to the point, and addresses an important complex number...
Illustrative Mathematics
Guess the Marbles in the Bag
Use this activity to help your class develop an understanding of greater than, less than, and equal to with numbers valued between 1 and 10. Secretly place a number of marbles (between 1 and 10) in a brown paper bag. Then shake the bag...
Illustrative Mathematics
Coffee by the Pound
This is a great exercise in graphing proportional quantities to interpret the unit rate as the slope of a graph. It is not easy for learners to understand what a unit rate is. When it is presented as the slope of a linear line graph,...
Illustrative Mathematics
Making Hot Cocoa, Variation 2
Learners are introduced to dividing by fractions in a visual way. Setting up groups from the information in the problem allows them to see what we divide and why. Use with the previous lesson, which can be found in Additional Materials,...
Hotchalk
Triangle Sum Theorem
Your visual geometry learners will appreciate triangle drawings as they model the triangle sum theorem and algebraically solve to find the missing interior angle in a triangle. Practice problems increase in complexity and vary in their...
Curated OER
Fraction Follies
Explore the multiplication and division process for fractions with this interactive presentation. Through visual fraction problems, your math learners will uncover common assumptions and errors in computing fractions and how to avoid...
Curated OER
Who Wants to Win Millions?
What a terrific way to have learners practice reading graphs. Using visually appealing graphics, they answer questions about birds, hours in a work week, and the amount of fruit bought. The graphs are attractive and easy to understand.
Curated OER
Number Value Assessment
Quiz your second graders with this set of math worksheets involving place value, word problems, number sequence, greater than/less than, coin value, expanded form, and much more! Most have multiple choice answers provided, and generally...
Math Worksheets Land
Properties of Operations as Strategies: Step-by-Step Lesson
If you are looking for a visual warm-up on the commutative property, this might be the one. There is just one problem here, and you will need to guide learners through it since the objective isn't clear. They practice the commutative...
Math Worksheets Land
Properties of Operations as Strategies - Guided Lesson
Math properties can be tricky, but this worksheet's visual approach makes them accessible to young learners. First, they apply the associative property by filling in the blanks of an equivalent equation, concluding that the values are...
Math Worksheets Land
Decomposing Numbers Guided Lesson
Guide your young mathematicians through an exercise in composing and decomposing numbers from 0 to 10. The prompts ask learners to match an addition sentence to the model, to select which of the equations makes 9, and which one makes 6....
Hawaiʻi State Department of Education
Mask Symmetry
When you engage learners in creating symmetrical objects you are also building their vocabulary and math sense. Kids discuss key words such as, asymmetrical, symmetrical, balance, tint, and shade. They use these elements of design to...
Curated OER
Number Rods
Working in a math center or an "I finished early" work station, young mathematicians will match in sequence pre-set-up rods of unifix cubes to numbers on a number line. To help differentiate tens from ones, use different colors to...
Charleston School District
Graphing Functions
How do letters and numbers create a picture? Scholars learn to create input/output tables to graph functions. They graph both linear and nonlinear functions by creating tables and plotting points.
Annenberg Foundation
Geometry 3D Shapes: Surface Area and Volume
Whether you wrap it or fill it, you're using geometric concepts. Classmates use an interactive approach to learn how to find volume and surface area of cylinders and prisms in the second lesson in a five-part series. The online lesson...
Illustrative Mathematics
Dan’s Division Strategy
Can Dan make a conjecture about dividing fractions with the same denominators? That is what your scholars are to determine. They must show that if the statement is true, they understand how the quantities were determined, and how...
Rational Number Project
Rational Number Project: Initial Fraction Ideas
Deepen the fractional number sense of young learners with this introductory lesson on equivalent fractions. After completing a short warm-up activity, children go on to work in pairs using fraction circles to complete a table of...
K-5 Math Teaching Resources
Fraction Strips
Reach out to your visual and kinesthetic learners with this set of printable fraction strips. Not only is this resource a great way to develop children's fractional number sense, it's bound to capture their engagement as well.
National Security Agency
Starting a Restaurant
Through an engaging unit, chefs-in-training will sort and classify data using tally charts. Learners will also create bar graphs to display restaurant data and interpret data from bar graphs using a variety of categories....
Mathematics Assessment Project
Fruit Boxes
Perfect for visual and hands-on learners, an engaging lesson prompts pupils to consider the different-sized boxes they can create from a piece of cardboard. They develop a model to determine the size of the box with the greatest...
Willow Tree
Approximating a Line of Best Fit
You may be able to see patterns visually, but mathematics quantifies them. Here learners find correlation in scatterplots and write equations to represent that relationship. They fit a line to the data, find two points on the line, and...
CK-12 Foundation
Conditional Probability: Game Show with Monty
The car is behind door one — no wait, it is behind door three. An interactive allows learners to visualize the Monty Hall problem. Pupils work through the probabilities of choosing the car with their first pick. Next, they determine...
CK-12 Foundation
Conditional Probability: Colorful Cubes
An interactive provides a model to visually represent the formula for the probability of an outcome. Given 10 numbered color cubes, pupils arrange them on the top and bottom shelf to represent the probability fraction. The learners...