26 results
Free geometry laboratories
Discovering the Area of a Circle Activity
I give each student one half sheet with the instructions and 2 circles. The instructions advise the students to cut out the left circle into 8 sectors and shape their sectors into a parallelogram. Before the next step, we discuss as a class what the formula is for finding the area of a parallelogram and how we can use that to derive the formula for the area of a circle. My 7th graders usually spend about 20 minutes on this activity. They will need prior knowledge of the circumference formulas an
Grades:
6th - 8th
Types:
CCSS:
WINTER SNOWFLAKE SCIENCE OBSERVATIONS-looking at geometric shapes
Capturing snowflakes is always fun for students…add some science in by trying to collect and observe some!
Subjects:
Grades:
K - 5th
Types:
Points, Lines, Planes, Segments, and Angles.
An Exploration into Geometry using Geometry Software, such as Geogebra(free open source). Students create, explore, analyze, define, and compare points, lines, planes, segments, and angles using online open source Geometry Software such as Geogebra. Students will write and reflect mathematics. Students will use patterns along with dynamic technology to masters Geometry Standards.
This is the beginning of a series of activities aligned to the CA State Standards for Geometry and Common Core S
Subjects:
Grades:
7th - 12th
Types:
MLK Cutout
Martin Luther King Jr. cutout to use with the MLK STEM Challenge-Build a Podium
Subjects:
Grades:
1st - 5th
Types:
Scale Factor Perimeter Area Investigation
I no longer feel comfortable selling this resource. Teaching evolves and there's a better activity out there. Please check out Desmos Classroom. This is currently the activity that I created that I'm most proud of. My students get it after they have interacted with the shapes on screen. No more cutting and making envelopes.I'll leave this product up but available as a free resource. Please let me know in the comments what you think.---------This investigation helps students understand the relati
Subjects:
Grades:
7th - 10th
Types:
Investigating Cell Size
The investigation includes students making and working with manipulatives to better understand the concept of surface area to volume ratio and the impact on living cells. This investigations includes 3 forms created for ease in a differentiated classroom
Subjects:
Grades:
7th - 12th
Bubble Fun!
Students experiment with bubble wands to learn why bubbles are in the shape of a sphere.
Grades:
PreK - 1st
Types:
NGSS:
K-2-ETS1-3
PhET Trig Tour --Unit Circle/ Sine Waves
This is a free resource as I am looking for teacher feedback--please use and review to help make this another high quality lab! This lab is1 of 50, which was made to pair with free PhET online simulations, which allow hands on engagement in a distance learning setting. Simply upload to google classroom. Make a student copy and let students fill in. Answer Key Included (So copy paste in a safe space :) Lab Objectives:Students will be able to assess sin and cos functions both as parts of triangle
Subjects:
Grades:
9th - 12th
Types:
CCSS:
Our World of Circles: An Inquiry-Based Lab for Pi
In this activity, students "discover" what pi represents by measuring various circumferences and diameters of circular objects and identifying the pattern. This aims to provide deeper conceptual understanding of pi, and therefore assist students in understanding pi's many applications.
Subjects:
Grades:
5th - 8th
Types:
Measurement Lab: How Long Is It?
This is an outline of a lab used in a middle school math class.
Students work in groups to measure various items around the classroom and convert measurements both within customary and metric measures. Students then reflect upon their findings.
Subjects:
Grades:
6th - 8th
Types:
3D Shape Experiment Spanish/Experimento de figuras 3D
Using shape manipulatives, students predict whether their shape will roll, slide or stack. They respond to the results in complete sentences using the sentence frames and finish their experiment with a conclusion.
Grades:
1st - 2nd
Types:
Proof of the Pythagorean Theorem
This is a hands on geometric proof of the Pythagorean Theorem. Students arrange four congruent right triangles two different ways on a large square to show that the sum of the areas of the squares formed by the legs equals the area of the square formed by the hypotenuse. The only required materials besides the handout are scissors for each student or team. Rulers are not required because the template already includes unit markings.
Subjects:
Grades:
7th - 10th
Types:
CCSS:
Quadrilaterals Possible or Impossible
Students will use the properties of quadrilaterals to decide if a figure with the given characteristics is possible or impossible to create. If it is possible, than they can use Geometer's Sketchpad or other software to create it.
Subjects:
Grades:
8th - 12th
Types:
Area with index cards
Have you ever wondered where the area formulas for triangles, trapezoids and parallelograms came from? In this activity, I walk you through how to derive these formulas using index cards. The activity is designed to build strong, conceptual understandings while creating a hands-on product that they can keep in their notebooks for years to come!
Subjects:
Grades:
4th - 12th
Types:
Magic edges 18. Four archimedean solids.
❶ Kit to assemble four semiregular polyhedra - Archimedean solids:✯ Truncated tetrahedron;✯ Truncated cube;✯ Cuboctahedron;✯ Truncated octahedron.All polyhedra have comparable sizes. Every polyhedra can be inscribed in a sphere with a diameter = 120 mm..Difficulty level: Easy. Does not require experience and additional skills. ❷ In this kit:✦ Polyhedrons details;✦ Assembly instructions with color pictures;✦ Description of polyhedrons;✦ Article - who discovered semiregular polyhedra? May be Archi
Subjects:
Grades:
1st - 8th
Pi Day Math Lab
This Pi Day Math Lab asks students to measure several circular objects to estimate the value of pi.
Subjects:
Grades:
7th - 12th
Types:
Cheezits are one square inch !
Use Cheezits to teach total surface area in this math lab. A Cheezit is one square inch so use them to cover a box and discover the total surface area. Use peanut butter (or icing if there are allergies) to stick the Cheezits to the individual cereal box. Afterward, EAT !
Subjects:
Grades:
5th - 8th
Types:
CCSS:
Polygon Angle Sum Lab
This lab has students apply their knowledge of the Triangle Angle Sum Theorem to derive the sum of the measures of the interior angles of a polygon (the Polygon Angle Sum Theorem). As opposed to having students memorize a formula, the lab approach requires students to be creative and synthesize multiple mathematical ideas from geometry and algebra.Pre-planning:30-60 minutesdecide how students will get into pairsPrerequisite Knowledge:the triangle angle sum theoremarithmetic sequencesmodelling u
Subjects:
Grades:
8th - 10th
Types:
8th grade Task Rotation for Fractions and Volume
This is a task rotation for my intro chapter to 8th grade math. I do a combination of fractions and geometry formulas. Give each station roughly 10 minutes to work on each problem. For station 3 it might help to pre tape the two cylinders to cut down on that time for students and to give them more time to work.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Subjects:
Grades:
8th
Types:
CCSS:
AFM: PART 2: Calculating Hooke’s Law:
DRIVING QUESTION: How does an atomic microscope work?What is an atomic force microscope (AFM), and how do they use forces to image a surface at the nanoscale? This four-part hands-on series explores the mechanics, optics, and instrumentation of an AFM. Part 1 (Understanding How Forces Impact Cantilevers & Springs) provides a qualitative exploration into the forces within a cantilever and the relationship to deflection. Part 2 (Hooke’s Law: Calculating the Relationship Between Deflection &
Grades:
9th - 12th
Types:
AFM: PART 1: Understanding How Forces Impact Cantilevers & Springs
DRIVING QUESTION: How does an atomic microscope work?What is an atomic force microscope (AFM), and how do they use forces to image a surface at the nanoscale? This four-part hands-on series explores the mechanics, optics, and instrumentation of an AFM. Part 1 (Understanding How Forces Impact Cantilevers & Springs) provides a qualitative exploration into the forces within a cantilever and the relationship to deflection. Part 2 (Hooke’s Law: Calculating the Relationship Between Deflection &
Grades:
9th - 12th
Types:
AFM: PARTS 1-4: Activity Sheets (ONLY)
DRIVING QUESTION: How does an atomic microscope work?What is an atomic force microscope (AFM), and how do they use forces to image a surface at the nanoscale? This four-part hands-on series explores the mechanics, optics, and instrumentation of an AFM. Part 1 (Understanding How Forces Impact Cantilevers & Springs) provides a qualitative exploration into the forces within a cantilever and the relationship to deflection. Part 2 (Hooke’s Law: Calculating the Relationship Between Deflection &
Grades:
9th - 12th
Types:
AFM: PART 3: Understanding How AFMs Use Optics & Incident Light
DRIVING QUESTION: How does an atomic microscope work?What is an atomic force microscope (AFM), and how do they use forces to image a surface at the nanoscale? This four-part hands-on series explores the mechanics, optics, and instrumentation of an AFM. Part 1 (Understanding How Forces Impact Cantilevers & Springs) provides a qualitative exploration into the forces within a cantilever and the relationship to deflection. Part 2 (Hooke’s Law: Calculating the Relationship Between Deflection &
Grades:
9th - 12th
Types:
AFM: PARTS 1-4: How does an Atomic Force Microscope work?
DRIVING QUESTION: How does an atomic microscope work?What is an atomic force microscope (AFM), and how do they use forces to image a surface at the nanoscale? This four-part hands-on series explores the mechanics, optics, and instrumentation of an AFM. Part 1 (Understanding How Forces Impact Cantilevers & Springs) provides a qualitative exploration into the forces within a cantilever and the relationship to deflection. Part 2 (Hooke’s Law: Calculating the Relationship Between Deflection &
Grades:
9th - 12th
Types:
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