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Programs & methods
FREE Interactive Coordinate Plane Mystery Picture | Quadrant 1 Digital Activity
This FREE interactive coordinate plane mystery picture activity gives students a fun way to practice plotting ordered pairs in Quadrant 1. Students open the activity link, select a coordinate from the coordinate tray, and click the matching point on the coordinate plane. Correct points lock into place. When all coordinates are placed correctly, the mystery picture is revealed. No student login is required. Teachers can copy and paste the student activity link into Google Classroom, Canvas, Schoo
4th - 12th
Algebra, Geometry, Graphing
5 Hard SAT Math Problems with Step-by-Step Solutions — Free Practice Pack
Are your students hitting a wall on SAT Math Module 2? These are the problems that separate a 650 from a 750. This free practice pack includes 5 of the hardest SAT math problem types — fully solved with step-by-step explanations written the way a tutor actually teaches them, not the way a textbook explains them. What's included: Two-way table percentage problem (the one where students divide by the wrong number)Similar triangles with trig (sin/cos relationship trap)Parabola system with exactly o
7th - 12th
Algebra 2, Geometry
SOHCAHTOA Poster & Display Set | Trigonometry Classroom Decor (Free Resource)
Decorate your math classroom and help students remember their trig ratios with this SOHCAHTOA Poster & Display Set! This free resource includes large printable letters that spell out SOH • CAH • TOA — perfect for Geometry, Precalculus, or Trigonometry units. Print, cut, and display the letters across your board or bulletin wall as a fun visual reminder of sine, cosine, and tangent relationships. ✨ What’s Included Printable SOHCAHTOA Letter Set (S, O, H, C, A, H, T, O, A) Ready-to-print PDF
9th - 12th
Geometry, Math Test Prep, PreCalculus
3D - Spatial Development - Deductive Series - Part 2 of 3 - FREE
This affords a vehicle for teachers to use for developing 3D spatial skills - it is part 2 of 3 - Deductive Rectilinear Spatial Development.
As with Part 1, this appears difficult and in the latter cases of the problems, it is a mental puzzle. However, I used to MODEL and work these with my self-contained 5th grade class, and they can do it - highly recommend using interlocking 2 cm cube blocks with the mat - manipulative - so the kiddos can mentally visualize the process.
There are recommend
4th - 12th
Engineering, Geometry
3D - Spatial Development - Inductive Series - Part 1 of 3 - FREE
This affords a vehicle for teachers to use for developing 3D spatial skills.
This appears difficult and in the latter cases of the problems, it is a mental puzzle. However, I used to MODEL and work these with my self-contained 5th grade class, and they can do it.
There are recommendations. The teacher must practice until they are extremely adept at the process. I strongly recommend using interlocking cube blocks to build these isometric three (3) Dimensional figures PRIOR to working them ment
4th - 12th, Adult Education
Engineering, Geometry, Other (Math)
3D - Spatial Development - Creative Series - Part 3 of 3 - FREE
This is the last part of the 3 part series.
It is the creative process - alternating between inductive and deductive spatial reasoning. It is in rectilinear development, but it will afford students the ability to mentally view in all three dimensions - mentally.
These look difficult...and some are. However, with small amounts of practice, students adapt and excel. These exercises are really handy for high academic students in need of challenging individual projects - and GATE and STEM.
Best
4th - 12th
Geometry, Other (Math)
Voronoi Diagram Full Lesson – IB Math Applications & Interpretations
Make teaching Voronoi diagrams stress-free and engaging with this complete lesson bundle designed for IB Math Applications and Interpretations (AI). This resource guides students from conceptual exploration to formal definitions and rigorous practice, making it ideal for both SL and HL students. Students begin with an intuitive investigation of Voronoi diagrams, develop formal understanding with structured notes, and then work through examples that gradually increase in difficulty. Whether y
10th - 12th
Geometry, Graphing, Math Test Prep
CCSS
HSG-CO.A.1
, HSG-GPE.B.5
April Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. If you want to see what is included i
9th - 12th
Calculus, Geometry, PreCalculus
March Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. If you want to see what is included i
9th - 12th
Calculus, Geometry, PreCalculus
Nov. Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. If you want to see what is included i
9th - 12th
Calculus, Geometry, PreCalculus
Feb. Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. If you want to see what is included i
9th - 12th
Calculus, Geometry, PreCalculus
Jan. Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. If you want to see what is included i
9th - 12th
Calculus, Geometry, PreCalculus
Dec. Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. If you want to see what is included i
9th - 12th
Calculus, Geometry, PreCalculus
Oct. Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. If you want to see what is included i
9th - 12th
Calculus, Geometry, PreCalculus
Sept. Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. If you want to see what is included i
9th - 12th
Calculus, Geometry, PreCalculus
August Trig Tuesday: Weekly Bell Ringers & Mental Math Review | HS Algebra-Calc
Say hello to Trig Tuesday – a Weekly Calculator-Free Trigonometry Practice for High School Math students! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric concepts. What’s Included: ✅ 5 practice pages
9th - 12th
Calculus, Geometry, PreCalculus
Trig Tuesday Bundle | HS Weekly Bell Ringers & Mental Math Unit Circle Review
Say hello to the Trig Tuesday Bundle – a Weekly Calculator-Free Unit Circle Trigonometry Practice for High School Math students all year long (45 weeks)! Looking for a consistent and engaging way to reinforce reference-angle trigonometry skills with your students? Trig Tuesday is the perfect solution! This no-prep, print-and-go resource offers targeted weekly trig practice that helps students build confidence evaluating common trig expressions and deepens their understanding of key trigonometric
9th - 12th
Calculus, Geometry, PreCalculus
Surface Area to Volume Ratio FRQs | AP Biology Practice with Video Lesson
✨Help your students master one of the most foundational concepts in AP Biology: surface area to volume ratio (SA:V). This resource includes 4 exam-style Free Response Questions (FRQs) with detailed rubrics and clear teacher/student guidance, designed to mirror the rigor and style of the AP Bio exam. ✏️Students will practice: Calculating surface area, volume, and SA:V ratios across different cell modelsJustifying biological efficiency using mathematical evidenceConnecting SA:V to real-world ada
10th - 12th
Biology, General Science, Geometry
CCSS, NGSS
HSN-Q.A.1
, HSN-Q.A.2
, HSF-IF.C.7
+5
The Koch Snowflake Fractal
The famous Koch Snowflake fractal is explored in detail in this product. Students can construct the fractal with paper and pencil and, if appropriate, code the Koch Snowflake in Scratch, the free programming language available from MIT. A step-by-step coding tutorial is provided. Student exercises and answers are provided for generalizing the perimeter and area of the Snowflake. Addition coding exercises are provided along with the answers.
5th - 12th, Higher Education
Geometry, Other (Math)
International Pi Day Approximating pi Math Activities - high school activity
Students come up with their own approximation for pi. 2. They then look at historical
approximations and find the accuracy of them. 3. They then see how accurate their
.calculator gives pi to. Oh and it's for pi day (3/14) but feel free to use it whenever. If you use
.it, please review it.
6th - 12th
Decimals, Geometry, Other (Math)
Also included in: International Pi Day Math Activities Bundle - World Pi Day High School
PUZZLE MATH: Special Right Triangles
In this one-page assignment students find missing side lengths and angle measures of special right triangles. Every possible permutation from given to missing side is used, and problems include ones where students are given integers that they must both multiply and divide by radical expressions. When applicable students must rationalize the denominator. Correct answers decode a secret message, providing immediate feedback for the learner as this free math worksheet is self-checking. If you enjoy
10th - 12th, Higher Education
Geometry, Other (Math), PreCalculus
Curve Your Thinking
In this Generations Skeptics bellringer, students cut out and compare a single curve, confidently judging whether it is longer or shorter than others as they move around the room. When they discover all curves are the same length, they confront how context distorts perception. The lesson uses this shared error to spark reflection on flawed thinking, misinformation, and the importance of intellectual humility across disciplines. For all free materials related to this lesson, click here: Curve Yo
5th - 12th
Basic Principles, General Science, Geometry
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