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Robert Duncan

Rated 4.97 out of 5, based on 4380 reviews
1,840 Followers
Houston, Texas, United States
About the store
I taught Algebra/Geometry in High school for 4 years. I also have been teaching pre-AP Algebra and 8th grade Math in middle school for the last 6 years.
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Preview of Math Brain Teasers - Bell Ringers - Logic Puzzles

Math Brain Teasers - Bell Ringers - Logic Puzzles

Created by
Robert Duncan
★This is a collection of animated math brain teasers and puzzles for PowerPoint. They are great for warm-up problems or just as a quick change of pace activity with either a projector or smart-board. Many of the classic math puzzles (as well as some newer ones!) are included, all with animated solutions. A lot of them even have animated explanations showing how to solve the problem. The difficulty level ranges from Elementary all the way to Algebra. Even other teachers are likely to get fo
Preview of Order of Operations with Integers - Scavenger Hunt (Harder Problems)

Order of Operations with Integers - Scavenger Hunt (Harder Problems)

Created by
Robert Duncan
The topic of this Scavenger Hunt is Order of Operations with Negative and Positive Integers. These questions are more difficult and most problems have many different operations or use larger values. Also included in this file are two different printable exit ticket sheets related to this topic for use as an additional way to assess student understanding. This scavenger hunt can also be purchased here as part of a bundle: 10 Integer Operations Scavenger Hunts ---------------------- What i
Preview of Order of Operations with Integers - Scavenger Hunt (Easier Problems)

Order of Operations with Integers - Scavenger Hunt (Easier Problems)

Created by
Robert Duncan
The topic of this Scavenger Hunt is Order of Operations with Negative and Positive Integers. These questions are less difficult and each problem generally has fewer operations with smaller values. This scavenger hunt can also be purchased here as part of a bundle: 10 Integer Operations Scavenger Hunts File includes: Scavenger hunt, directions and student answer key. I have written a -E on the Student Answer key to discreetly denote that this scavenger Hunt is Easier, however; all of my scave
Preview of Integer Operations - Scavenger Hunts - 10 Pack

Integer Operations - Scavenger Hunts - 10 Pack

Created by
Robert Duncan
★This file contains 10 Scavenger Hunts over operations with Negative and Positive Integers★ 1. Add and Subtract Integers (Easier)2. Add and Subtract Integers(Harder)3. Adding Integers (Easier Problems)4. Adding Integers(Harder Problems)5. Multiplying and Dividing Integers6. Order of Operations(Easier)7. Order of Operations(Harder)8. Powers of Positive and Negative Integers9. Subtracting Integers(Easier)10. Subtracting Integers(Harder)Each Scavenger hunt includes detailed instructions, answer K
Preview of Volume of Rectangular Prisms - Scavenger Hunt and Exit Tickets

Volume of Rectangular Prisms - Scavenger Hunt and Exit Tickets

Created by
Robert Duncan
The topic of this scavenger hunt is finding the volume of rectangular prisms. The questions include real world application problems and questions about cubes. The file also includes two different Exit Ticket printable pages for use after the activity/lesson to further check for understanding. With this download, you will get: -Detailed Instructions -Teacher Answer Key -2 different choices of Student Answer Sheets -10-12 Scavenger Hunt sheets to print and hang around your room -2 different exit
Preview of Clip Art Shapes -2D & 3D Prisms, Graphs, Cylinders and more! PPT File

Clip Art Shapes -2D & 3D Prisms, Graphs, Cylinders and more! PPT File

Created by
Robert Duncan
One of the teachers at my school was having trouble finding some 3D geometric shapes to make her test with, so I made a few for her. Then one thing led to another, and now I have a whole bunch of clip art that I thought a Math teacher might find useful. I have used these images to create tests, task cards, scavenger hunts, and practice work for Math small group and centers. This file is not meant to be used as a presentation. The idea is that you can copy/paste whatever you need from here a
Preview of Area and Circumference of Circles Scavenger Hunt (Easier Problems)

Area and Circumference of Circles Scavenger Hunt (Easier Problems)

Created by
Robert Duncan
The topic of this Scavenger Hunt is finding area and circumference of circles. These are designed to be simpler, more skill based problems. This scavenger hunt can also be purchased as part of a bundle of 11 Area and Perimeter Scavenger Hunts for only $4.99 A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet. To use the scavenger hunt: 1) The slides are currently in order so that the question on the bottom half of each slide is answered on the to
Preview of Area and Perimeter - Scavenger Hunt 11-Pack

Area and Perimeter - Scavenger Hunt 11-Pack

Created by
Robert Duncan
★This file contains 11 Scavenger Hunts over Area (and some perimeter) of 2d shapes.★ A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet. Each Scavenger Hunt contains between 10 and 14 problems. Directions and printable student answer sheets are included in each scavenger hunt. The Scavenger Hunts in this pack are listed below: 1. Area and Perimeter of Squares and Rectangles-Easier Problems 2. Area and Perimeter of Squares and Rectangles- Harder
Preview of Multiply and Divide Integers - Scavenger Hunt

Multiply and Divide Integers - Scavenger Hunt

Created by
Robert Duncan
The topic of this Scavenger Hunt is Multiplying and Dividing Negative and Positive Integers. None of the values are too large as these are intended to test a student's understanding of the rules for multiplying and dividing with negative numbers. This scavenger hunt can also be purchased here as part of a bundle: 10 Integer Operations Scavenger Hunts ---------------------- What is this thing anyway? A scavenger hunt is a more engaging and mobile alternative to just giving the students a work
Preview of Add  and Subtract Integers - Scavenger Hunt (Harder Problems)

Add and Subtract Integers - Scavenger Hunt (Harder Problems)

Created by
Robert Duncan
The topic of this Scavenger Hunt is Adding and Subtracting Negative and Positive Integers. These questions are more difficult as the values are larger and most problems include 3 or more terms. This scavenger hunt can also be purchased here as part of a bundle: 10 Integer Operations Scavenger Hunts File includes: Scavenger hunt, directions and student answer key. I have written a -H on the Student Answer key to discreetly denote that this scavenger Hunt is Harder, however; all of my scavenger
Preview of Converting Fractions to Decimals (Harder Problems) Scavenger Hunt

Converting Fractions to Decimals (Harder Problems) Scavenger Hunt

Created by
Robert Duncan
Scavenger hunts are a great way to get your students up and moving while working on their Math skills! All of the problems in this scavenger hunt start with a fraction and require students to find its decimal equivalent. The fractions are more complicated and require simplifying/long division and more of the answers are longer or repeating decimals. If you'd like some more basic practice about converting fractions to decimals, then click this link to check out my scavenger hunt about Converti
Preview of Fractions (Adding and Subtracting) - Scavenger Hunt 10-Pack

Fractions (Adding and Subtracting) - Scavenger Hunt 10-Pack

Created by
Robert Duncan
This file contains 10 Scavenger Hunts over Adding and Subtracting Fractions and Mixed numbers. A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet. Each Scavenger Hunt contains between 10 and 14 problems. The Scavenger Hunts in this pack are listed below: 1.Adding Fractions with Common Denominators 2.Adding Fractions and Mixed Numbers with Common Denominators 3.Adding Fractions with Unlike Denominators 4. Adding Fractions and Mixed Numbers with
Preview of Area of Triangles - Scavenger Hunt (Easier Problems)

Area of Triangles - Scavenger Hunt (Easier Problems)

Created by
Robert Duncan
A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet.The topic of this Scavenger Hunt is finding the area of triangles. These problems are meant to be more basic. Most of them do not require anything more than just the area formula. This scavenger hunt can also be purchased as part of a bundle of 11 Area and Perimeter Scavenger Hunts for only $4.99 If you have any questions/comments/compliments then please let me know! I'm currently teaching midd
Preview of Add and Subtract Whole Numbers - Scavenger Hunts 13-Pack

Add and Subtract Whole Numbers - Scavenger Hunts 13-Pack

Created by
Robert Duncan
This file contains 13 Scavenger Hunts over adding and subtracting whole numbers. The different topics for each of the 13 files is listed below 1. Adding within 20 2. Subtracting within 20 3. Adding within 100 (no carrying) 4. Adding within 100 (with carrying) 5. Subtracting within 100 (no borrowing) 6. Subtracting within 100 (with borrowing) 7. Review - Add and Subtract within100 8. Adding more than two numbers (easier) 9. Adding more than two numbers (harder) 10. Adding within 1000 11. Subtra
Preview of Multiplying and Dividing Fractions: Mixed Numbers Scavenger Hunt

Multiplying and Dividing Fractions: Mixed Numbers Scavenger Hunt

Created by
Robert Duncan
The topic of this Scavenger Hunt is multiplying and dividing fractions and mixed numbers. This is a good review for use after students have learned how to divide and multiply mixed numbers individually. A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet. This scavenger hunt can also be purchased as part of a bundle of 10 Multiplying Fractions Scavenger Hunts for only $4.99 To use the scavenger hunt: 1) The slides are currently in order so that
Preview of Fractions: Multiply and Divide - Scavenger Hunts 10-Pack

Fractions: Multiply and Divide - Scavenger Hunts 10-Pack

Created by
Robert Duncan
This file contains 10 Scavenger Hunts over Multiplying and Dividing Fractions and Mixed numbers. Topics range from simple proper fractions to mixed numbers and improper fractions. I tried to cover the main topics in this subject, but if there is something big that you feel was left out then please let me know and I will add them to the pack for everyone to use at no extra charge. A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet. Each Scavenge
Preview of Adding Fractions - (Un-Like Denominators) - Scavenger Hunt

Adding Fractions - (Un-Like Denominators) - Scavenger Hunt

Created by
Robert Duncan
The topic of this Scavenger Hunt is adding fractions with unlike denominators. This scavenger hunt can also be purchased as part of a bundle of 10 Adding and Subtracting Fractions Scavenger Hunts for only $4.99 A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet. **Detailed Instructions and Answer Log included in the resource. To use the scavenger hunt: 1) The slides are currently in order so that the question on the bottom half of each slide i
Preview of Converting Fractions, Decimals, & Percent Scavenger Hunt 11 Pack BUNDLE

Converting Fractions, Decimals, & Percent Scavenger Hunt 11 Pack BUNDLE

Created by
Robert Duncan
Scavenger hunts are great ways to get your students out of their seats and working on their math skills! Another added bonus, is that student can collaborate with one another and have quality conversations about how they solved the problems and where they are in their "hunt." Each one of these scavenger hunts are sold separately also. They are shown in the preview, hyperlinked for convenience. I have also put the links here to each scavenger hunt in this bundle: 1.Converting Percents to Decim
Preview of Converting Improper Fractions to Mixed Numbers - Scavenger Hunt

Converting Improper Fractions to Mixed Numbers - Scavenger Hunt

Created by
Robert Duncan
The topic of this Scavenger Hunt is Converting Improper Fractions into Mixed Numbers. This scavenger hunt can also be purchased as part of a bundle of 10 Adding and Subtracting Fractions Scavenger Hunts for only $4.99 **Answer sheet and detailed instructions are included in this file. A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet. To use the scavenger hunt: 1) The slides are currently in order so that the question on the bottom half of eac
Preview of Dividing Mixed Numbers - Scavenger Hunt

Dividing Mixed Numbers - Scavenger Hunt

Created by
Robert Duncan
The topic of this Scavenger Hunt is dividing mixed numbers. A scavenger hunt is a more engaging and mobile alternative to just giving the students a worksheet. You can find a free printable answer sheet and more detailed instructions by following this link to my Scavenger Hunt Answer Sheets To use the scavenger hunt: 1) The slides are currently in order so that the question on the bottom half of each slide is answered on the top half of the next slide. 2) Print out all the slides and post th
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About the store

Experience

I taught Algebra/Geometry in High school for 4 years. I also have been teaching pre-AP Algebra and 8th grade Math in middle school for the last 6 years.

Teaching style

Technology heavy teaching style. I made my own virtual whiteboard with a Wii remote and I use powerpoint presentations and things like the eInstruction remotes all the time.

Awards & shining teacher moments

My students think I'm awesome, does that count? hehe And the old saying about always a bridesmaid and never a bride applies to me and the teacher of the year voting at my school. They like me enough to keep putting me on the ballot, but I never seem to win. Personally, I think it's because I'm in a portable building and they think less of me because of that. :)

My own education history

BS in Math from the University of Texas

Additional biographical information

I am a native Houstonian who is back home teaching math to at-risk kids. This is definitely NOT what I saw myself doing when I was a student, but I love every minute of it. I am also a father to an awesome, rambunctious 3 year old boy.