Wednesday, July 15, 2009

Books Mentioning Hands-On Equations






Winning at Math‎ - Page 128

by Dr. Paul Nolting - Education - 2002 - 301 pages
... balance beam with top like objects to represent variables and dice to
represent numbers. Your math lab can order the Hands On Equations by going to
www. ...



It Happened in Glacier National Park

by Vince Moravek - History - 2005 - 128 pages
Page 78
The mechanical challenges of technical climbing were hands-on equations crying
out for a solution. On one of their trips, Mark and his father had ...

Programs focused on improving academic achievement, producing quality ...‎ - Page 63

by United States. Congress. House. Committee on Education and the Workforce. Subcommittee on Early Childhood, Youth, and Families - Education - 2000 - 78 pages
... development and training in the areas of Hands on Equations and Everyday
Counts Calendar Math, as well as training in a new physical science curriculum.
...

The federal role in K-12 mathematics reform: joint hearing before the ...‎ - Page 181

by United States. Congress. House. Committee on Education and the Workforce. Subcommittee on Early Childhood, Youth, and Families, United States. Congress. House. Committee on Education and the Workforce. Subcommittee on Postsecondary Education, Training, and Life-long Learning - Mathematics - 2000 - 169 pages
... full implementation of Hands-On Equations and the Wil- liam A Mary Reading/
Language Arts program; some exciting elementary school curriculum initiatives
...



The Homeschooling Book of Answers: The 88 Most Important Questions Answered ...

by Linda Dobson - Education - 1998 - 350 pages
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Friday, May 08, 2009

9th Grade Algebra I vs. 4th Grade Hands-On Equations

How do your Algebra I students compare with 4th – 8th grade Hands-On Equations students on these questions?


2x = 6; x+ 3 = 10; 2x + 1 = 7; 3x = x + 2; 4x + 3 = 3x + 7; 2(2x + 1) = 2x + 10


Would you like to find out?

Students in grades 4 to 8 who have had the first seven lessons of Hands-On Equations score above 80% on a post-test consisting of the above questions. Wouldn’t you like to know if the students in your Algebra 1 classes -- near the end of the academic year -- can do at least as well on these basic equations? If so, we invite you to participate in this preliminary study.

We can provide you with the instruction for administering the survey, the Equation Survey, Teacher Questionnaire and Summary Form. You may ask the teachers to return the Summary Form and Questionnaire to you, or they may submit them directly to us at the address noted on the document. We will analyze the results and submit a report back to each teacher.


Why would you wish to conduct this study?


The ability to work with simple algebraic linear equations is crucial to success in Algebra I. Knuth, Alibali, et al (2008) quote Carpenter, Franke, and Levi (2003) saying that “a limited conception of what the equal sign means is one of the major stumbling blocks in learning algebra. Virtually all manipulations on equations require understanding that the equal sign represents a relation.” If your Algebra I students cannot solve the vary basic equations noted above, is it any wonder that they are having difficulty with the subject?


We invite you to participate in this preliminary study to give us initial feedback on how Algebra I students compare to younger students who have had Level I of Hands-On Equations. Your assistance is appreciated.


Sincerely,



Henry Borenson, Ed.D.



References

Carpenter, Thomas, Megan Franke, and Linda Levi. Thinking Mathematically: Integrating Arithmetic and Algebra in the Elementary School. Portsmouth, NH: Heinemann 2003

Knuth, Eric J, Martha W. Alibali, Shanta Hattikudur, Nicole M. McNeil, and Ana C. Stephens. “The Importance of Equal Sign Understanding in the Middle Grades.” Mathematics Teaching in the Middle School. Vol. 13, No. 9, May 2008:514-519


HOW TO PARTICIPATE:

Administer the survey to one or more of your Algebra 1 classes. Complete the teacher questionnaire and summary form (no student names please), submit it to us, and as a token of our appreciation we will provide you with a complimentary copy of the Hands-On Equations Verbal Problems Book containing more than 350 verbal problems, including consecutive number, age and distance problems. If you wish to participate, mail your inquire to info@borenson.com and we will send the survey documents to you. Thank you.

Wednesday, April 29, 2009

Hands-On Equations Workshops- Instructor Letter


Hands-On Equations Instructor Kendra Jensen just completed conducting a Day1 and Day2 workshop in Hot Springs, AR.

The comments below, submitted by the instructor, are typical of the high value that workshop participants place on this training.




Hot Springs, AR
Day 1
Tuesday, April 21, 2009
Thank you for sending me to Arkansas! I learned about it's geography by driving into Hot Springs on a winding, mountainous highway for the last 2 hours of the drive! Beautiful scenery, challenging drive. All was fine.

Participants:
Our participants readily volunteered. Their teaching experience ranged from 10 years to 28 years and they were just as eager to learn as an educator with less experience. Great group.
From Bryant, Carol taught 7th grade; Heather 8th; Jaime was a special ed teacher who teaches with them. Elisabeth was also a special ed teacher.
Our two participants not from Bryant were Shannon who teaches K-6 gifted and Kittena who is a K-12 Math Coordinator.

Day 1 teacher quotes and conversations:
Carol wanted to know early on if there were worksheets and teacher manuals. Heather was excited about the smartboard application.
"This is so cool ... When I saw the demonstration at my school, it was too fast."

Lesson 7: "I've always done the numbers first. I guess you get stuck in your ways. I like that HOE teaches the removal of pawns first." Heather repeated this when asked what the highlight of the morning session was for her.

Shannon knows of a school who uses HOE and has Level l taught in 3rd grade, Level ll in 4th and Level lll in 5th grade. They like it.

Shannon especially liked the fact that we're reaching so many learning styles with this approach!

Kittena loved both days! "I have a monthly math focus for various grades. I demonstrate or model teach on that focus topic. I'll use HOE for this! I'm going to buy a kit for each school (or teacher?)." Kittena took such detailed notes because she plans to present this to the many teachers she helps. I told her to enquire about overheads from our office.

Day 2
Wednesday, April 22, 2009

Additional Participants:
For Day 2, Michelle joined us and teaches 6,7, and 8th grades.
Corrie and Laurie were 3rd and 4th grade teachers from the same school. They said they registered for the half day. They were a little concerned about the level of math necessary but were encouraged to find their 3rd and 4th graders could do many of our verbal problems.

Day 2 teacher quotes and conversations:
The Arkansas Benchmark test was mentioned several times. "Oh, if our kids had HOE before that test, they would have aced it!"

Kittena, the Math Coordinator, expressed a concern about open response questions on the Benchmark. There are two people grading a student's answer to the open response. Each grader has 4 points to give for a total of 8 points. "How would individual graders view the pictoral solution. Is there enough there to earn a full 4 points?" Heather, an 8th grade teacher responded enthusiastically, "The student has to solve and then verify the answer. For word problems, there's also the full sentence answer to show understanding. I definitely think there's enough here to earn each grader's 4 points."

When asked what they liked most about this approach, the participants replied:

"I like setting game pieces on the scale phrase by phrase through the word problem." It makes sense.

"This makes fractions more meaninful."

"I love the fact there's so much going on here. There are so many topics buried in this program!"
The highlight of Day 2 for me personally was bringing volunteers up to demonstrate the travelling scooters and trains. These participants loved it and fully participated. I heard several "This is good!" "They'll understand this." - type comments.
Observations:
I used the Effective Learning transparency #13 from Day 1 to help in the review for Day 2.
These participants noticed two minor discrepancies on the transparencies. On transparency # 32, the verbal problem is actually number 6 not 5 on VPB page 42. and on transparency #37, the verbal problem is number 10 not 9 on VPB page 57.
The Velda Rose Hotel was a grand hotel in its day. My room was nice. The meeting room showed signs of age ... with worn trim and scratched doors, even a broken window down the hall from it. The hotel smelled of smoke when you walked in the front door. I asked Kittena Bell, a participant who stayed overnight there, what she thought just in case I was being too picky ... maybe it was a local attraction. She told me she actually called a friend to come stay with her because she wouldn't stay in such a place by herself. She also said "it wasn't a positive draw for such an awesome workshop."
Respectfully,
Kendra Jensen

Wednesday, March 04, 2009

Verbal Problems Blackline Masters

for Level I


VP-BM1 $25


This publication of blackline masters contains more than 200 Level I verbal problems (taken from the Hands-On Equations Verbal Problems Book), one per page to make it easy fo the teacher to use with an image projector or to copy and distribute to the class. An example is shown below:


VPB Pg. 10/Ex. 28; Solution Pg. 20/Ex. 28

28. Bill had two water jugs that each held 7 gallons. Tom had one jug that held 2 gallons and three others that held equal amounts. If all the jugs together held 28 gallons, how much did each of the three equal jugs hold?



VPB Pg. 25/Ex. 5; Solution Pg. 30/Ex. 5

5. Jamie guessed a number. Rob guessed a number that was double the sum of 3 and the number guessed by Jamie. If the sum of the numbers guessed by Jamie and Rob is 18, what are the numbers?


Sunday, January 11, 2009

HANDS-ON EQUATIONS VERBAL PROBLEMS BOOK

The examples below are taken from the Hands-On Equations Verbal Problems Book. This book contains more than 300 verbal problems including number, consecutive number, age and distance problems for all three Levels of Hands-On Equations. A sampling of the types of problems presented in the book is shown below. Within each section of the book the problems are graduated in increasing order of difficulty. This makes the book a valuable resource for teachers in grades 4 to 6, as well as for teachers of pre-algebra and Algebra I students. (The number in parenthesis indicates where the problem can be found in the verbal problems book.)

Level I

1. Kathy's plant grew the same amount in January and February. In March, it grew 3 inches. If the plant grew a total of 13 inches during these three months, how much did it grow during each of the other months? (Page 8/7)

2. Heather can buy 4 pizzas for the same price as 2 pizzas and 8 one-dollar drinks. How much does each pizza cost? (Page 9/16)

3. Celeste is 12 years older than Rosa. In four years, she will be twice as old as Rosa will be then. How old is each now? (Page 58/17)

4. Charlene has a container 1/2 filled with pennies. She realizes that if she adds 12 pennies to the container, it will then be 2/3 filled. How many pennies does the container hold? (Page 77/18)

5. The average speed of an express train is 14 miles per hour more than 1/3 the speed of a freight train. In two hours the express train travels the same distance as the freight train in three hours. Find the average speed of each train. (Page 102/18)

NEW: HANDS-ON EQUATIONS VERBAL PROBLEMS BLACKLINE MASTERS FOR LEVEL I
More than 200 Level I verbal problems taken from the verbal problems book, one per page (VB-BM1.......................................................................................................$25)

Level II

1. The sum of two numbers is 10. Twice the first, increased by the second number, is 10. Find the numbers. (Page 27/18)

2. Jim has two lists of three consecutive even numbers. The sum of the first number on each list is 10. If twice the second number on the first list has the same value as the first number on the second list, what are the two set of consecutive even numbers? (Page 43/18)

3. If Jim's age is added to Sandra's age, the sum is 18. If twice Jim's age is subtracted from Sandra's age, the difference is 3. How old is each? (Page 68/22)

4. Charlotte has a total of 18 coins consisting of dimes and nickels. If the number of nickels is 12 more than the number of dimes, how many of each coin does she have? (Page 92/28)

5. Bobby can paddle a canoe at 3 miles per hour. For 1 hour, Bobby paddles with the current and travels 4 miles further then when paddling back against the current for one hour. What is the canoe's speed when it travels with the current? (Page 104/29)


Level III

1. When a number decreased by 4 is doubled, the result is the same as the number increased by 6. Find the number. (Page 28/25)

2. Charlotte has two lists of consecutive odd numbers. The sum of the first number on each list is 10. When the 4th number on the 1st list is doubled and then subtracted from the first number on the second list, the result is the same as the second number from the firs list, decreased by 14. Find the two sets of numbers. (Page 44/28)

3. Ten years ago, Marlene was 6 years older than 1/3rd of her present age. How old is she now. (Page 60/30)

4. Two-thirds of a collection of 90 coins consists of nickels. Of the remaining coins, the number of dimes is 10 more than 1/3rd the number of quarters. How many of each type of coin is in the collection? (Page 78/24)

5. A private plane flying for two hours meets a headwind that reduces its speed by 20 miles per hour. If it took the plane a total of 5 hours to travel 440 miles, find the speed of the plane prior to meeting the headwind. (Page 106/40)

Tuesday, October 28, 2008

Press Release: Hands-On Equations in Africa & Asia

Hands-On Equations to be implemented in 1,000 classrooms in Africa and Asia

Contact: Henry Borenson, henry@borenson.com, 800-993-6284,
Or Patti Davis, patriciadavis@opportunityeducation.org, 402-660-2174

October 28, 2008--Borenson and Associates, Inc., an Allentown, PA firm known for its innovative algebra teaching system that enhances learning performance in U.S. schools, has been selected to provide its program to more than 1,000 classrooms in Asia and Africa.

Under the agreement, Hands-On Equations®, which is the name of the proprietary algebra program developed by Henry Borenson, will be implemented in 5th, 6th and 7th grade classrooms in Uganda, Tanzania, South Africa, Ghana, Sierra Leone, India, Sri Lanka and Nepal by Opportunity Education, a charitable foundation that provides educational tools for children in developing countries around the world.

“We are delighted to be chosen to provide our program to these students in developing nations,” said Borenson. “I’m confident the teachers in these classrooms will be very satisfied with the success they will see in their students.”

Borenson’s algebra teaching system uses manipulatives – similar to game pieces – to help students visualize an equation. Students use the manipulatives to make chess-like moves to balance an equation. “The program helps demystify the language of algebra and helps take an abstract concept and make it an intuitive process,” he said.

The Hands-On Equations® program has been introduced to over 25,000 teachers in the U.S. and is used in schools across the nation.

Opportunity Education chose to distribute Hands-On Equations® because the organization’s director of education, Patti Davis, had used the program as a classroom elementary school teacher, and had seen the improvement in her students’ abilities to learn algebraic principles and retain the skill set.

“I recommended Hands-On Equations® because I had had personal success using it in my classroom,” said Davis. “We chose the program because it is the easiest to understand, has the most applicability in classrooms in other parts of the world, and produces results.”

Providing the learning program to schools in developing nations supports the organization’s overall mission to supply curriculum and materials to classrooms in order to give children in developing countries the advantages of a U.S. education. “Providing the program and the materials the teacher needs to use to teach the program is imperative to help these countries meet their educational standards,” says Davis.

Opportunity Education was founded by Joe Ricketts, founder of TD Ameritrade. It is a charitable foundation that provides educational tools for children in developing countries around the world. For more information, go to www.opportunityeducation.org.

Borenson and Associates was founded by Henry Borenson in 1986. Borenson had taught honors mathematics classes at the Stuyvesant High School in New York City. For more information, go to www.borenson.com.

Thursday, October 16, 2008

Hands-On Equations Pre and Post-Tests for Level I

Complete instructions for administering pre- and post-tests for Level I are now available online. These instructions include a Summary Form for the teacher to record student scores and compare class results on each test, as well as class performance on each question.

On the pre-test, especially with students in grades 3 - 5, the scores are expected to be very low since these concepts and examples are not normally presented at these grades. The teacher should not be too surprised by low pre-test scores. If the teacher has gone through the training and implements the program as designed, he/she will see significant gains on the Lesson #6 post-test. This improvement is expected to be maintained as the students move away from using the game pieces to the pictorial notation in Lesson #7.



Pre-Test- 15 minutes



Post-Test After Lesson #6
(Students may use the game pieces on this post-test- time limit: 15 minutes)


Post-Test after Lesson #7
(Students do not use the game pieces-- just the pictorial notation)
Time Limit: 15 minutes








http://www.borenson.com/LevelIPrePostTestsOct08.pdf

Friday, August 15, 2008

HANDS-ON EQUATIONS STAFF DEVELOPMENT

ON-SITE STAFF TRAINING

Bring a nationally certified Hands-On Equations instructor to your district to provide first-class Staff Development on-site!

(See District Leaders Response to Our Workshops Below)


MAKING ALGEBRA CHILD’S PLAY® (Grades 3 – 8) HANDS-ON EQUATIONS® VERBAL PROBLEMS WORKSHOP (Grades 6 – 8; ½ day workshop grades 4 – 6)

FREE ONSITE STAFF DEVELOPMENT! Purchase thirty class sets of Hands-On Equations for Teacher and Thirty (30) Students and receive the training absolutely free!

Call 800-993-6284 to schedule your onsite workshop!



What District Leaders Say About Our Workshops

"Our teachers loved the workshop, Making Algebra Child’s Play! Students and teachers caught on to the math concepts very quickly and the use of the manipulatives to clarify operations was great!"

Dr. Robin Gillespie, Supervisor of Gifted Education
Jefferson County Schools (Grades 3-5)
Birmingham, AL
August 25, 2008
24 Participants
9.96 rating


"I thoroughly enjoyed the workshop! I believe it is a great enhancer for all students, but especially for visual and tactile learners. It really helped me to see how algebraic problems help to visually teach students."
Shaundala Summers, Campus Magnet Coordinator

TASD7 (Grades 4&5)

Texarkana, AR
August 11, 2008
11 Participants
10 rating


"We enjoyed the seminar and found it to be beneficial to our math program. The manipulatives and basic principles help to visually teach students."

Anita Corum, Elementary Curriculum Director
Princeton Christian School (Grades 3 - 8)
Homestead, FL
August 6, 2008
16 Participants
9.14 Rating


"I coordinated 32 workshops this summer and Tina Weiner’s workshop was among the best. All the participants were very happy with the results."

Paul Farrer, Academic Outreach Coordinator

Institute for Advanced Learning Research (Gr. 3-12)
Danville, VA
July 29, 2008
15 Participants
9.53 rating







Borenson and Associates, Inc., P.O. Box 3328, Allentown, PA 18106

(800) 993-6284 * Fax (610) 398-7863. www.borenson.com

Friday, August 08, 2008

Hands-On Equations Distance Problem - Honors

Errata Sheet

Hands-On Equations Verbal Problems Book

Level III Distance Problem, Page 107/44 and Solution Page 133/44

This problem has been modified as shown below.

This may be considered an honors problem

for students in grades 6 - 9.

The solution remains the same as that shown in the book.

44. A motorboat, after traveling for one hour in tranquil waters, begins to go downstream with the current, thereby increasing its speed by 2 miles less than one-third of its original speed. After going downstream for one hour to reach its destination, and after unloading one of the passengers, it reversed direction and went upstream against the same current for one hour to arrive at a refueling station. At that point the motorboat still needed to travel an additional 36 miles to reach its starting point. Find the speed of the motorboat in tranquil waters, and the distance it traveled to arrive at its destination. [III, 25]

Sunday, May 04, 2008

Using Hands-On Equations to Solve Verbal Problems

Word problems, also known as verbal problems, provide the students with the opportunity to think through a situation in depth. Short cuts such as "clue words" will not serve the students well, as every so called "clue word" is often not a clue at all. For example, teaching that the word "is" means "equal," presents a difficulty with a problem such as, "Four times a number is increased by 2...." Certainly no equal sign is involved here.

Hence the use of clue words, although designed to be helpful to the students and to serve as a crutch, is actually a disservice to the student since it does not convey to the student that there are no short-cut to doing verbal problems, rather the student must think!

There are methods, however, that the student can use to help break down the problem and represent the various elements. The following example shows how this can be done with one such problem using Hands-On Equations. This problem is taken from the Hands-On Equations Verbal Problems Book. Using Hands-On Equations, this problem is accessible to students as early as the 4th grade.

Theresa could purchase four small gifts and a $3 doll for the same price as three of the same small gifts and one $5 doll. What was the price of each of the small gifts?

Solution:

We let the blue pawn represent the price of each of the small gifts. The price of four of the small gifts would therefore be represented by 4 blue pawns. The $3 doll would be represented by a red 3 cube. And likewise for the other side.


The setup for the problem therefore looks as follows:


From here, we can use legal moves (remove three blue pawns from each side) to simplify the setup.


From this simplified setup we can see that the blue pawn is worth 2. Hence, The cost of each small gift is $2.

Check: $11=$11

ATTENTION TEACHER OR HOME SCHOOLER:

If you would like to provide these types of problems to your upper elementary and middle school students, you may wish to obtain the HANDS-ON EQUATIONS VERBAL PROBLEMS BOOK, which has more than 250 number, coin, age and distance problems, as well as general story problems, for all three levels of Hands-On Equations, along with solutions!

Additionally, if you are a teacher in grades 3 to 8 you may wish to attend a Making Algebra Child's Play workshop this season, In this workshop, you will learn how to use the Hands-On Equations program to solve equations, and also how to apply the concepts to verbal problems.

If you have already attended a Making Algebra Child's Play workshop, or are already using Hands-On Equations in your classroom or in your math program, and you are teaching in grades 6 and up, we encourage you to consider attending the Day2 Hands-On Equations Verbal Problems Workshop. In this workshop, you will review the key ideas of Hands-On Equations and you will also see how to apply these ideas to solve a wide variety of consecutive integer, age, coin and distance problems, including rowing up and downstream! This workshop will also be of interested to teachers of the gifted grades 2 and up, and teachers of low-achieving high school students.

............................................................................................................

Kira Brennan, age 8 presented the solution below to the above problem:

Kira's solution in her words:
"I solved the problem by drawing a picture of four presents and a person with a doll that has a $3 tag on it in her hands, and put an equal sign next to, and then I drew three presents and a girl holding a $5 doll in her hands.











"When I saw the picture, I saw that each present could be a blue pawn, and the doll could be a block (cube). So I put four blue pawns and a red 3 cube on the left hand side, and three pawns and the 5 cube on the right side. I guessed then that each present costs $2, but I took three pawns off each side anyway, and I could see you have to add $2 to 3 to equal $5 on the other side. Also, I counted 2-4-6-8-11 on the left, and 2-4-6-11 on the right, 11 equals 11, so each present must cost $2. It's harder if you just set up the equation, I think, but it was easy after I drew the picture."

Kira Brennan,
Age 8
(Note from Kira's mom: Kira has not tried verbal problems yet, so it was her idea to draw the picture first. I scanned her first sketch she did quickly to solve the problem, but then she insisted on drawing another one with the entire solution)

--------------------------------------------------------------------------------------------

This problem is appropriate for students in grades 5 and up who have had Level I of Hands-On Equations

Pedro’s dad is three times Pedro’s age. In 10 years, Pedro’s dad will be twice as old as Pedro will be then. How old is each now?


Sunday, March 30, 2008

A COMMENT ON THE NATIONAL MATH PANEL REPORT

The Final Report of the National Advisory Math Panel noted that many students "have difficulty grasping the syntax or structure of algebraic equations and do not understand the procedures for transforming equations or why transformations are done the way they are." It is indeed true that for many students algebra is a foreign language. Many students simply do not understand the meaning of the symbols used in algebra. Some students succeed by memorizing rules or procedures for solving equations.

All students, however, would benefit from instruction in algebra that made the concepts visual and hands-on. This is where Hands-On Equations comes in. A study recently completed, "The Effect of Hands-On Equations on the Learning of Algebra by 4th and 5th Graders of the Broward County Public Schools, shows that such instruction can be provided as early as the 4th and 5th grade. Of the 195 students from the regular classrooms which participated in this study, more than 80% of the students experienced success in solving equation such as 3x = x+12 and 4x+3=3x+9 after seven lessons of instruction. On a retention test administered three weeks later with no Hands-On Equations instruction in the interim, the students did equally well.

The students learning via Hands-On Equations develop an intuitive and indeed a kinesthetic sense of important algebraic principles, such as the subtraction property of equality, by physically removing three blue pawns, representing the x's, from both sides of the balance scale.

If students beginning an Algebra 1 course have not been fortunate enough to have had this hands-on experience earlier in their educational career, it is still important for the regular high school algebra teacher to provide this experience to the students. Even a few short lessons can demystify basic algebraic equations and how to solve them.

Ideally, though, it is best to provide this hands-on experience earlier on, say in grades 4 to 6. Indeed, the ability to solve such equations should be a prerequisite, in the view of this educator and publisher, for a student to enter an Algebra 1 or even a pre-algebra class. If the students have had Hands-On Equations they will have no trouble at all solving these types of equations with the game pieces, and then pictorially using only paper and pencil. (The retention test noted above was administered without the game pieces.)

The Task Group on Conceptual Knowledge and Skills noted, "Without any doubt, the foundational skill of algebra is fluency in the use of symbols." Students working with Hands-On Equations develop a high level of comfort in working with algebraic linear equations of increasing complexity with unknowns on both sides of the equation. If, in addition, the students develop strong computations skills, as advocated by the Panel, the success level of such students in Algebra 1 should be significantly higher than has been the case in the past. Borenson and Associates, Inc. hopes to conduct research in this area in the 2008-2009 academic year with algebra 1 students.

If your district has a large number of students failing algebra 1, and you would like to participate in a research study to determine if Hands-On Equations instruction can make a difference in student success when they repeat the course, please send a note of inquiry to info@borenson.com.