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9/26/2015 35 Comments

6 Websites that Will Revolutionize Your Math Teaching

6 Top Websites for Teaching Math
There are so many resources out there for teachers, but it can be hard to pick and choose which websites are worth spending time on.

If you want to invest some time into learning how to really utilize a few great sites to best support you in your math classroom, these are my favorites, and are a perfect starting point.

Whether you are looking for hands-on inquiry, graphing software, or virtual manipulative apps, you are sure to find at least one you can try. 
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1. galileo.org

For Teaching Math with INQUIRY / EXPLORATION

The Galileo website is an awesome starting place for teaching with inquiry.  They have articles and resources to learn about inquiry-based education as well as plenty of research.

Start on the home page, then check out the full set of classroom lessons and examples.  They have plans for specific high school, middle school, and primary school math investigations.

You can also download the Focus on Inquiry eBook, read more about what inquiry means, learn how to construct essential questions, and much more.

2. Illuminations

For Teaching Math with VIRTUAL MANIPULATIVES

NCTM offers a set of math resources on the Illuminations site.  One of my favorite features here is the enormous library of virtual manipulatives.   You can allow your students to drag around the virtual algebra tiles, discover triangle congruence theorems, and shade equivalent fractions (and that's all just pulled from the first page of manipulatives!)  This set is perfect for classrooms with computers or ipads.

There are also some fantastic lessons.  They're sorted by grade level.  Check out some lessons for grades 6-8 or 9-12.  There are lessons for younger kids too.

The brain teasers are also fun and would be great warm-ups.  There are plenty available. 

3. GeoGebra

For Teaching Geometry INTERACTIVELY

I use GeoGebra to make exploration easy in Geometry class.  Students can sketch a figure into the software (parallel lines intersected by a transversal, centers of triangles, tangent lines, etc.).  GeoGebra allows them to easily display angle measures, drag points around, and notice properties by observing what measures change and what measures stay the same.  There are endless possibilities with this, especially if you are trying to incorporate a little discovery-based learning.

Download the free software for your classroom or check out the teacher pages that are packed with worksheets, samples, and ideas for lessons that use GeoGebra.

4. desmos.com

For Teaching GRAPHING in Algebra

Desmos is the new way to do all your graphing and plotting.  It's ideal for Algebra investigations.  Use this site to allow students to transform functions and create fun or artistic graphs.

Try the graphing calculator or browse the teaching resources and activities that are available.  You can also check out videos that show some of the many uses of the desmos calculator.

5. Inquiry Maths

For Teaching Math with CURIOSITY

As an inquiry fan, I have loved the Inquiry Maths site for a long time.  The question prompts are perfect ways to get students thinking critically about math concepts. 

Take a look at the question prompts in each category on the left sidebar.  There are tons of great Number Prompts, Algebra Prompts, Geometry Prompts, and Statistics Prompts.

I also recommend checking out their assessment framework and tips for writing your own prompt.

6. Math Giraffe

For Teaching Math with CREATIVITY

Adding some creative approaches to your classroom helps to boost students' focus and retention. Check out inquiry activities & strategies or explore creative Middle School math lessons, Algebra ideas, or Geometry investigations.

Make sure to grab the free toolkit for math teachers that is packed with free downloads, tips to help you teach math more effectively, and creative activities and ideas.

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35 Comments

9/15/2015 5 Comments

8 Ways to Use Math Warm-Ups: a Collection of Ideas & Resources

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8 Unique Formats for Math Warm-Ups

There are so many reasons that I love using warm-ups in math class.  I have my students work quietly and independently on them, so I can take attendance, catch up with kids who have been absent, handle any issues that pop up between periods, and check in with individual students as needed. 

If there is ever a rare day that none of that is needed, I like to enjoy a moment of quiet as we transition into the next class period. 

I've collected a set of ideas, resources, and perspectives on warm-ups from a few math teachers who cover a wide range from 6th grade to Calculus.

Here's what Dawn, an Algebra teacher says about using warm-ups: "When I teach completely different preps back to back, I survive on the daily warm-up routine. Students automatically start working, and I pause and get my plan for the period straight. Warm-ups have changed faces over the years in my classroom. From a daily word problem to 5 quick prerequisite problems, all were highly beneficial, but all took preparation. At some point it’s hard to be awesome every single day and still have a life outside of school. I needed a routine that needed no prep."

If you are not convinced to try warm-ups, check out Mrs. E's blog post: "Bellwork Keeps Me Sane."
Once you decide to incorporate a warm-up or bell-ringer into your daily routine, decide what format would be best for your class.

Here are 8 totally different ways that you can kick off your math period.  Try a combination of a few of these ideas to get a well-rounded, but consistent warm-up routine.

1. Number of the Day / Function of the Day

I love this new warm-up idea from Algebra Simplified -  "After reading an excerpt from a wonderful book on math teaching (that I cannot find to reference), I adopted the Function of the Day. No prep needed; just write a function on the board.

Students write 8 true facts about this function (I don’t even collect it; we discuss their responses). For example, the function today for my Algebra IB students was x-2y=4. Students gave me the linear form, the x & y intercepts, the slope, the equivalent equation in slope-intercept form, equivalent equations using scalars, a perpendicular line, a parallel line, and a random point on the line in function notation.

Two weeks ago they couldn’t even tell me the standard form of a linear equation. All of these concepts taught in a previous math class have been refreshed solely from this warm-up routine and debriefing of student responses. Don’t tell them, but the functions are going to get progressively more complex."  - Algebra Simplified

2. "Writing in Math" Question Prompts

Writing in Math Question Prompts as Warm-Ups
This is one of my own favorite strategies.  When I use writing prompts as math warm-ups, I have students write out their answers in complete sentences. 

I have a full set of 100 critical thinking question prompts for writing in math. 

Click here to download a set of 10 for free.

3. Problem of the Day/Week

Doc Running uses this free set of math challenges as warm-ups or problems of the week.

Click the image to download the set and try this format in your own classroom.
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Amanda from Free to Discover has an amazing organizer that can be used as a recording sheet for any type of warm-up or problem of the day.

Download the free recording sheets so your students will have all their daily problem responses in one place!
A really fun way to do a "problem of the day" is to incorporate a challenge that is rigorous, but accessible to everyone.

Picture equations offer this, plus they can get some great math talk going if you let students work in pairs.

For seasonal algebra picture puzzles, try these sets:
- Halloween Equations
- Thanksgiving Equations
- Christmas Equations
- Valentine Equations
Free Halloween Challenge Equations
Click the image to go download the set of FREE Halloween Equation Challenge Puzzles
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​They're sorted into different levels of difficulty, so you can differentiate, or level up as you use one per day leading up to a holiday.

The most challenging ones require substitution or the transitive property (or some super deep thinking if your students have not learned those yet), so they're a fun task for any age.

Stop and take a quick math break -- can you solve the fall-themed ones in this picture??
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4. Video Warm-Ups

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Tyra from Algebra and Beyond came up with a great new warm-up style.  She has her students watch a short YouTube video BEFORE class, and then assesses with a warm-up based on the video.

This structure is great because the kids are already introduced to the new content.  They can jump right in to the day's material, and you know that they actually watched the video.  This is great for improving pacing. 

Try this unique format for free - Calculus Unit 2 Video Warm-Ups

5. Test Prep

Take your sample version of the standardized test for your state and cover one question per day.  You can project one question where everyone can see it, or you can cut and print the question on a half sheet of paper. 

If you teach high school, mix in questions from sample ACT and SAT tests to get your students exposed to a variety of test prep question formats throughout the year.
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6. Review of Prior Knowledge

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 Joan Kessler has some pretty fun review-style warm-ups that she uses in her Calculus classes.

She is offering the whole year's worth at a really great price!  I can't imagine how much time this would save me if I was teaching Calculus.

I know the students would love the pictures and questions that she uses to make it a little more fun. 

Secondary Math Solutions has a set of exit tickets that are also review-based. 

These can be used as warm-ups the day after the content is covered.  This is a great way to keep students constantly reviewing the older content as each new lesson is added on.

This set is available for purchase here.  It would be a great addition to an Algebra 1 or Algebra 2 classroom.
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7. Introduction to New Content

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Sometimes, I like to introduce a new property or theorem with a quick discovery-based warm-up. 

Introducing the new material right in the warm-up is a great way to kick off a lesson.

There are a few examples of this type of activity in my Hands-On Geometry blog post

8. Joke / Riddle

Julie from Secondary Math Solutions shared her newest warm-up strategy:  "I tried something different last year and just had a joke posted when they came in.

One of my favorites was "what do you call friends that like math"? Algebros!! And from there we would go straight into checking the homework."
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9/2/2015 6 Comments

How to Activate the Right Brain in Math Class

Left Brain / Right Brain Crossover: HOW & WHY to Activate the Right Brain in Math Class
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A recent study has proven that success in math is strongest when both halves of the brain work together. 

So, we have started adding art into STEM curriculum, incorporating more project-based learning, and allowing creative thinking through inquiry.

Here's the reasoning behind the theory, plus how to maximize the benefits of right and left brain crossover for your own students.

Right Brain Vs. Left Brain

You are probably already aware of some of these distinctions between the left brain and right brain:
Learning With Both Sides of the Brain
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But are you aware that your own teaching style probably favors one side of the brain more?  Lecture, research, notes, and quiet independent work are classroom features of left-brain teaching and learning. 

Math is also a logical and analytical subject with a left-brain tendency.  So if you are teaching math through lecture, notes, and practice, you are neglecting your students right-brains!

Here are a few ways to add a little more "right-brain-ness" into your class:
  • manipulatives, hands-on activities
  • group projects
  • noisy, busy, creative atmosphere
  • art
  • music (even in the background)
  • color
The right and left hemispheres of the brain communicate through the corpus callosum, a fiber bridge that crosses between the two sides.

Any time you can encourage interaction between the hemispheres of the brain, you strengthen this connection.
Click the images to explore these brain-friendly products.

Cross-Lateral Exercises

Physical exercises that cross the midline can strengthen the nerve-cell pathways between the two sides of the brain.  The midline is an imaginary line drawn down the center of the body.  An exercise in which the left hand crosses to the right side of the body is an example of a cross-lateral exercise.

This type of physical movement helps the brain hemispheres to communicate across the corpus callosum. This benefits your students because it helps to coordinate learning.

We already know that students need to get up and move every 20 minutes or so.  During that time, try a couple of cross-lateral exercises to force the two sides of the brain to communicate. 
  • Touch the right elbow to the left knee, then vice versa.  Keep alternating.
  • Place the left thumb and right forefinger together while the left forefinger touches the right thumb.  Pivot them back and forth like the "itsy bitsy spider."
  • Juggle
  • Pass a large ball (that requires two hands to hold) down the row.
  • Do "grapevines" from side to side.
"When you cross your midline in exercise, you get a boost in brain alertness, creativity and memory!"
-Alison Beaver (article here)

Incorporate Right-Brain Friendly Options

Have you ever noticed that a lot of kids who like Algebra and do really well in it tend to struggle when they start Geometry the next year?  Also, quite a few kids reach Geometry and suddenly like math class for the first time.  They had difficulty in Algebra, but in Geometry, math suddenly makes sense to them.

Some people do well in both, and have a good balance between right and left brain learning, but I think that a lot of the students who enjoy Geometry are often the more artistic & spatial learners.  They thrive in a right-brain-centered environment.

Left-Brain Tasks Are:
  • sequenced
  • specific
  • detail-oriented
  • straightforward
Right-Brain Tasks Are:
  • focused on the big picture
  • novelty-oriented
  • creative / visual
  • open-ended

(Previous Post: Learn more about the learning styles of your own class of students here.)
Try to mix up characteristics of the two categories, or use choice boards that offer options from both categories.

I like to include options on choice boards such as:
  • Create a comic strip that represents this mathematical concept.
  • Draw up a visual concept map of this lesson using an infographic or graphic organizer.
  • Write a story, song, or poem to teach this idea to a younger student.
Compared to taking notes or giving an oral presentation, these types of tasks offer more communication between the two sides of the brain.

Surprising Benefits of Coloring & Doodling

You may have heard about the recent trend of adult coloring books..  It has been discovered that the simple act of coloring helps to activate the brain.

Coloring can improve memory, learning, and retention.  It even offers the additional benefit of stress relief.  The relaxation that comes from coloring decreases activity in the amygdala, which is the part of the brain affected by stress.

It is possible that this is partly due to an unconscious reminder of childhood, a time of lower stress.  Whatever the reason, this got me thinking about using coloring to reduce math anxiety.  It is great to add just a touch of coloring (in a purposeful way) to a math activity.  This can help students to relax and focus while still learning.

I read through a really interesting study in which people listened to a recorded conversation.  Afterward, they were asked to recall the names of people in the conversation, and those who were doodling as each person was introduced were able to learn the names more easily!
It turns out that doodling (like coloring) requires just enough brain power to keep you from daydreaming, but not enough to distract you.  It actually increases focus!
(article from TIME)

Here are a few ways I add just a touch of coloring into math activities to keep both sides of the brain active during the learning:
  • When working through "Always True, Sometimes True, Never True" critical thinking challenges, I have kids color statements red for "never", blue for "always," and green for "sometimes."  (Added bonus - I can check for accuracy in two seconds by arranging the statements in a pattern.)
  • Students shade or color answers in "GridWords" puzzles to reveal the mystery words.  Then, I include either an action word as the GridWord or a mathematical connection throughout a series (for example, all the words in my polynomial factoring GridWords series turn out to be places that the Golden Ratio is found in nature.  It's fun to see them try to figure out this connection with each new word they color - "Hmm, how are "pinecones" and "fingers" related??")  The GridWords for prime factorization and simplifying expressions are action words, so the kids clap, hum, tap, etc. when they reveal the word.
  • I have students color code congruent angles in Geometry puzzles.
Click the images to take a closer look at these items.
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My next thought is something like doodle notes - I will have to add that to my long list of projects.  I bet the kids would do really well with something like that.

Now Here!: "Doodle Notes" for Math

Edited to add:  I've put together the first batch of doodle notes, as promised.  Check them out by clicking the images below. 
Math

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