Curated OER
Pretzel Math
Students demonstrate grouping pretzels into twos, fives and tens, then eat their groups of pretzels! After a lecture/demo, students work in groups practicing the proper grouping.
Curated OER
Putting It Together
Students create number combinations. In this problem solving instructional activity, students participate in a classroom activity that requires them to create as many object combinations as possible and multiplication sentences that...
Curated OER
And the Number Is
Students identify the numbers 1-10 while listening to a counting song. They practice counting items using the numbers 1-10.
Curated OER
Math: Christmas Count Down
Students use various tools to calculate the number of days before Christmas. Among the tools are number lines, calendars, and the Internet. Each day, a student visits a Christmas Countdown Website to report the days left. At the end of...
Curated OER
A Number a Day
Students explore the calendar including sequence of the days of the week, and the numbers associated with each day. They conduct research about each number and share what they find with the class.
Curated OER
Battle Shapes
Fifth graders play Battleshapes which is a variation of Battleship with geometry. For this geometry lesson, 5th graders get a graph paper with four quadrants. They call out coordinate points and attempt to sink their opponents shapes.
Curated OER
Estimating Pi as a Length
In this pi worksheet, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi. Students...
Curated OER
Candy Land
In this activity students pretend that they have been hired by a candy manufacturer to design a box for a new product they are beginning to market. The manufacturer has pre-determined the volume of the candy box. It is the students' job...
Curated OER
Quotable Slope Puzzle
In this puzzle worksheet, learners find the slope of 14 pairs of points. Students use the final 14 answers to help answer a quotable puzzle.
Curated OER
Congruent Triangles
High schoolers explore the concept of congruent triangles. In this congruent triangles lesson, students use Cabri Jr. to construct two congruent triangles using circles. High schoolers determine if the two triangles are...
Curated OER
Volume of Rectangular Prisms: Algebra/Geometry Institute Summer 2009
Students find the volume of rectangular prisms. In this volume activity, students use a formula to find the volume of rectangular prisms. They discuss the definition of volume and draw rectangular prisms. Students...
EngageNY
Similarity
Learn similarity through a transformations lens! Individuals examine the effects of transformations and analyze the properties of similarity, and conclude that any image that can be created through transformations is similar. The...
Concord Consortium
Function Project
What if a coordinate plane becomes a slope-intercept plane? What does the graph of a linear function look like? Learners explore these questions by graphing the y-intercept of a linear equation as a function of its slope. The result is a...
Curated OER
Tile Patterns I: Octagons and Squares
This can be used as a critical thinking exercise in congruence or as a teaching tool when first introducing the concept. Four octagons are arranged in such a way that a square is formed in the middle. With this information, geometry...
Curated OER
Earthquakes: Third Grade Lesson Plans and Activities
Introduce third graders to energy waves with a hands-on geology activity, in which they answer questions and compare seismograms in the San Francisco Bay area. After a demonstration that shows how bigger waves indicate a...
Curated OER
Equal Differences Over Equal Intervals 2
Your algebra learners explore linear functions concretely using tables of values in a collaborative task. The idea that linear function values change by equal differences over equal intervals, is emphasized. The slope and...
Curated OER
Why Does ASA Work?
Your geometry learners explore Angle-Side-Angle congruence in this collaborative task. The sum of the interior angles of all triangles being one hundred eighty degrees, is the key learners will discover as they explain their reasoning...
Curated OER
The Attack of the Manhole Monsters
Students explore the concept of similarity. They examine such topics as ratio of corresponding sides, internal ratios and scaling factors. After watching a video, student groups perform experiments outside the school building.
Curated OER
Confidence Intervals: Population Mean; Population standard Deviation Known
In this confidence interval worksheet, students examine a given confidence level and sample data to determine the margin of error, identify a confidence interval, list the mean and give the standard deviation. Students complete seven...
Curated OER
Proofs
In this geometric proof activity, students compose 20 triangle congruency proofs. Kids will decide if there is enough information in problems 1-6 to prove if any triangles are congruent. In problems 17 to 20, students use given...
Illustrative Mathematics
How is the Weather?
This activity asks learners to interpret data displayed on a graph within the context of the problem. Students are given three graphs that show solar radiation, or intensity of the sun, as a function of time. They are also given three...
Curated OER
Butterfly Addition: Color by Numbers
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Curated OER
Functions
In this algebra worksheet, students look at 4 sets of relations and determine if they are functions. Students are provided with the graphs of three functions and determine the function value. Two relations are graphed on the coordinate...
Curated OER
Linear Equations
Pre-algebra pupils examine the rate of change and how we can interpret it as a linear function. They are introduced to slope-intercept equations and graphs. Plenty of instruction is provided along with example problems. Note that even...