# Ask DJ Lyons: Math Challenge for numbers 10 to 17

## Fun Mathematical Activity for Elementary Students (grades 3 to 5)

Here is a really fun mathematical activity for elementary students. It is most appropriate for grades 3 to 5; however, it would also be appropriate for any grade student who wants and needs to improve his or her multiplication facts and short division skills. I like to call them Math Lollipops because you are going to work the problem down and then back up again - just like you might lick a lollipop.

The way this works is that you can take any number whatsoever. You will multiply that number by **2**, mulitple that product by **3**, multiply that product by **4**, multiply that product by **5**, multiply that product by **6**, multiply that product by **7**, multiply that product by **8**, and multiply that product by **9**.

Then you take that final product. Now you are going to work the process backward using short division. You will divide that final product by **2**, divide that divisor by **3**, divide that divisor by **4**, divide that divisor by **5**, divide that divisor by **6**, divide that divisor by **7**, divide that divisor by **8**, and divide that final divisor by **9**.

Drum roll, please. It's magic. You have found your way back to your original number again.

To make the process clear, we will work with the number 1. Check out these pictures.

## Multiply 1 by the number 2

## Multiply that product by 3

## Multiply that product by 4

## Multiply that product by 5

## Multiply that product by 6

## Multiply that product by 7

## Multiply that product by 8

## Multiply that product by 9

## Divide that final product by 2

## Divide that divisor by 3

## Divide that divisor by 4

## Divide that divisor by 5

## Divide that divisor by 6

## Divide that divisor by 7

## Divide that divisor by 8

## Divide that final divisor by 9

## Behold, ..., you are back to your original number 1!

## Here is how the multiplication page should look

## Here is how the short division page should look

## Here is the entire process in a nutshell

## Math Challenge for numbers 10 to 17

Now it's your turn. You can read the full directions, get the background info, learn about a competitive activity you can use in the classroom, and watch the slideshows for working with the numbers:

**10**

**11**

**12**

**13**

**14**

**15**

**16**

**17**

by clicking on the following link at Best Reviewer.com.

## Working with the number 10

You can take any number. In this case, we will work with the number 10.

Multiply 10 x 2.

Multiply that answer by 3.

Multiply that answer by 4.

Multiply that answer by 5.

Multiply that answer by 6.

Multiply that answer by 7.

Multiply that answer by 8.

Multiply that answer by 9.

You take that final product and work the process backward using division.

Using short division, you divide that final product by 2.

Divide that answer by 3.

Divide that answer by 4.

Divide that answer by 5.

Divide that answer by 6.

Divide that answer by 7.

Divide that answer by 8.

Divide that answer by 9.

At that point, if you worked your math facts correctly, your final divident should have been 10 as well.

This trick works for any number in the world.

Click on the link below that will lead you to the slideshow that has slides similar to the ones you see above - only it will be a slideshow working exclusively with the number 10.

## Working with the number 11

You can take any number. In this case, we will work with the number 11.

Multiply 11 x 2.

Multiply that answer by 3.

Multiply that answer by 4.

Multiply that answer by 5.

Multiply that answer by 6.

Multiply that answer by 7.

Multiply that answer by 8.

Multiply that answer by 9.

You take that final product and work the process backward using division.

Using short division, you divide that final product by 2.

Divide that answer by 3.

Divide that answer by 4.

Divide that answer by 5.

Divide that answer by 6.

Divide that answer by 7.

Divide that answer by 8.

Divide that answer by 9.

At that point, if you worked your math facts correctly, your final divident should have been 11 as well.

This trick works for any number in the world.

Click on the link below that will lead you to the slideshow that has slides similar to the ones you see above - only it will be a slideshow working exclusively with the number 11.

## Working with the number 12

You can take any number. In this case, we will work with the number 12.

Multiply 12 x 2.

Multiply that answer by 3.

Multiply that answer by 4.

Multiply that answer by 5.

Multiply that answer by 6.

Multiply that answer by 7.

Multiply that answer by 8.

Multiply that answer by 9.

You take that final product and work the process backward using division.

Using short division, you divide that final product by 2.

Divide that answer by 3.

Divide that answer by 4.

Divide that answer by 5.

Divide that answer by 6.

Divide that answer by 7.

Divide that answer by 8.

Divide that answer by 9.

At that point, if you worked your math facts correctly, your final divident should have been 12 as well.

This trick works for any number in the world.

Click on the link below that will lead you to the slideshow that has slides similar to the ones you see above - only it will be a slideshow working exclusively with the number 12.

## Working with the number 13

You can take any number. In this case, we will work with the number 13.

Multiply 13 x 2.

Multiply that answer by 3.

Multiply that answer by 4.

Multiply that answer by 5.

Multiply that answer by 6.

Multiply that answer by 7.

Multiply that answer by 8.

Multiply that answer by 9.

You take that final product and work the process backward using division.

Using short division, you divide that final product by 2.

Divide that answer by 3.

Divide that answer by 4.

Divide that answer by 5.

Divide that answer by 6.

Divide that answer by 7.

Divide that answer by 8.

Divide that answer by 9.

At that point, if you worked your math facts correctly, your final divident should have been 13 as well.

This trick works for any number in the world.

Click on the link below that will lead you to the slideshow that has slides similar to the ones you see above - only it will be a slideshow working exclusively with the number 13.

## Working with the number 14

You can take any number. In this case, we will work with the number 14.

Multiply 14 x 2.

Multiply that answer by 3.

Multiply that answer by 4.

Multiply that answer by 5.

Multiply that answer by 6.

Multiply that answer by 7.

Multiply that answer by 8.

Multiply that answer by 9.

You take that final product and work the process backward using division.

Using short division, you divide that final product by 2.

Divide that answer by 3.

Divide that answer by 4.

Divide that answer by 5.

Divide that answer by 6.

Divide that answer by 7.

Divide that answer by 8.

Divide that answer by 9.

At that point, if you worked your math facts correctly, your final divident should have been 14 as well.

This trick works for any number in the world.

Click on the link below that will lead you to the slideshow that has slides similar to the ones you see above - only it will be a slideshow working exclusively with the number 14.

## Working with the number 15

You can take any number. In this case, we will work with the number 15.

Multiply 15 x 2.

Multiply that answer by 3.

Multiply that answer by 4.

Multiply that answer by 5.

Multiply that answer by 6.

Multiply that answer by 7.

Multiply that answer by 8.

Multiply that answer by 9.

You take that final product and work the process backward using division.

Using short division, you divide that final product by 2.

Divide that answer by 3.

Divide that answer by 4.

Divide that answer by 5.

Divide that answer by 6.

Divide that answer by 7.

Divide that answer by 8.

Divide that answer by 9.

At that point, if you worked your math facts correctly, your final divident should have been 15 as well.

This trick works for any number in the world.

Click on the link below that will lead you to the slideshow that has slides similar to the ones you see above - only it will be a slideshow working exclusively with the number 15.

## Working with the number 16

You can take any number. In this case, we will work with the number 16.

Multiply 16 x 2.

Multiply that answer by 3.

Multiply that answer by 4.

Multiply that answer by 5.

Multiply that answer by 6.

Multiply that answer by 7.

Multiply that answer by 8.

Multiply that answer by 9.

You take that final product and work the process backward using division.

Using short division, you divide that final product by 2.

Divide that answer by 3.

Divide that answer by 4.

Divide that answer by 5.

Divide that answer by 6.

Divide that answer by 7.

Divide that answer by 8.

Divide that answer by 9.

At that point, if you worked your math facts correctly, your final divident should have been 16 as well.

This trick works for any number in the world.

Click on the link below that will lead you to the slideshow that has slides similar to the ones you see above - only it will be a slideshow working exclusively with the number 16.

## Working with the number 17

You can take any number. In this case, we will work with the number 17.

Multiply 17 x 2.

Multiply that answer by 3.

Multiply that answer by 4.

Multiply that answer by 5.

Multiply that answer by 6.

Multiply that answer by 7.

Multiply that answer by 8.

Multiply that answer by 9.

You take that final product and work the process backward using division.

Using short division, you divide that final product by 2.

Divide that answer by 3.

Divide that answer by 4.

Divide that answer by 5.

Divide that answer by 6.

Divide that answer by 7.

Divide that answer by 8.

Divide that answer by 9.

At that point, if you worked your math facts correctly, your final divident should have been 17 as well.

This trick works for any number in the world.

Click on the link below that will lead you to the slideshow that has slides similar to the ones you see above - only it will be a slideshow working exclusively with the number 17.

- BEST REVIEW - TOP 8 MATH LOLLIPOP OLYMPICS 10-17 (GRADES 3 TO 5) - MULTIPLICATION, SHORT DIVISION, P

CLICK HERE TO READ Best Review - Top 8 Math Lollipop Olympics 10-17 (Grades 3 to 5), a Top Best Review by Debbie Dunn, posted on 10/13/2010 at BEST-REVIEWER.COM with the tags multiplication, short division, product, divisor, math trick under the cate

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## Multiplication & Division Games

KEN KENTM is the new Sudoku! KEN KENTM is Japan's hottest new brain game with a mathematical twist! This easy to use handheld electronic game is the perfect portable puzzle to sharpen your math and logic skills.

Engaging and motivating versions of favorite games such as Go Fish, Tic-Tac-Toe, Checkers, Bingo, and more, encourage students to practice and build automaticity and computational fluency in basic multiplication and division facts. Perfect for small-groups

Gr. 2-5. These two large-format paperbacks offer explanations and activities for children who don't understand or haven't mastered multiplication and division. By taking different approaches to explain the same concepts, Long increases the probability that something will click in the student's mind. Some chapters, such as the one on multiplying by one, are excellent for building solid understanding. Others, such as the chapter on dividing by erasing zeroes, are disappointing in this regard. The cheerful ink drawings help make the books more inviting. Overall, these will be useful supplemental resources for students who need some help with the fundamental skills of multiplication and division. Carolyn Phelan

Copyright © American Library Association. All rights reserved

A classroom at the tip of your finger! Have you ever struggled for exact change at a cash register or fought over how to divide a dinner bill? Do you have trouble getting your kids interested in their math homework? Personal Trainer: Math takes the pain out of arithmetic by providing a fun and rewarding way to improve your math abilities!

The innovative 100-Cell method makes learning a game. These fast-paced, high-speed arithmetic problems keep your math basics fresh, from addition to subtraction and multiplication to division.

Daily math drills and an attendance record help keep you on track. As your calculation speed improves, earn medals in each exercise to prove your mathematical mastery!

Forty different exercises, from simple addition and subtraction series to more elaborate multiplication tables and calculation ladders, provide tons of ways to build on your knowledge and improve your arithmetic skills until all your math worries evaporate forever!

Turn Studying into a Game!Product InformationHow do you get your child to study for math tests? Make it into a game! With JumpStart Study Helpers your child simply enters his weekly math problemsinto the computer and starts playing. With arcade-style activitiesplaying the games means your child is practicing the problems and improving histest scores!Skills Learned Addition Subtraction Multiplication Division Decimals PercentagesActivities Include6 LevelsGames automatically adjust to your child's growing abilities.Recycle ProblemsIncorrect math equations are recycled in the games for more practice.Over 800 Math ProblemsFor additional practice pre-programmed problems are included.Easy inputAllows you child to enter problems for individual learning!Product Features Easy input allows your child to enter math problems for individual learning Five grades of content from 1st - 5th Grade 6 levels automatically adjust to your child’s growing abilities Incorrect math equations are recycled in the games for more practice Over 800 pre-programmed math problems included for additional practice Bilingual instructions in English and SpanishWindows Requirements Windows 2000 XP Vista 266 MHz or faster processor 64 MB of RAM (128 MB for Vista or XP) 100 MB free hard disk space 640x480 monitor 16-bit color Windows-compatible sound card & speakers 12X CD-ROM drive

A strong grasp of arithmetic is essential for future success in math. With this program, kids can acquire a solid foundation in math and have a great time doing it! Fun with Multiplication & Division teaches simple arithmetic and then progresses to more difficult exercises including puzzle-solving, mental calculations, multiplying and dividing by tens, hundreds, thousands, and more!

Kids will enjoy the fast-paced fun of this numbers game, and parents will love watching them learn. To play, you simply place the three standard dice and three custom dice (with numbers 0, 1, 2, 7, 8 and 9) into the fun dice shaker then roll them out and place them into the dice tray. Set the sand timer and have the score pad ready to record the number of unique equations each player makes using the numbers rolled. Equations can use simple addition or subtraction, or multiplication and division for making the game more challenging as your child's skills improve.

Multiplication is the foundation of many higher-level math topics. Your child’s ability to master multiplication facts can dramatically improve his or her current and future academic success. This software allows you to set up a series of tests that can be varied by making the problems sequential or random and by setting time limits for completion. The scores are stored to help identify weak areas. The test history shows test completion status, number of problems solved, time elapsed, and number of correct answers. The more tests your child takes, the more you know what to include in the next test. For instance, if a child consistently misses multiplication of 8s, then the tests can be set to concentrate on 8s and to adjust the completion time. Students will love the challenge of beating their own time and adding new problems to their tests. The following elements are built into the software to ensure that users can meet specific math goals: Customized tests, Variable time settings, Random or sequential order of math facts, Independent practice, Games, such as Multiplication Tic-Tac-Toe, to reinforce memorization, Availability of detailed progress reports. Children build confidence as speed and accuracy improve.

## Multiplication & Division Games

The award winning, strategic math game you'll flip for! Easy to learn, challenging to play and great for the whole family. This game perfectly combines math and strategy. Roll the dice then add, subtract or multiply the numbers to land on board squares. For 2 to 4 players.

It looks like a Jedi light saber (and surely more than one Star Wars fan will play with it as such), but this unique and colorful toy is actually a snappy way to master multiplication. Create multiplication problems by turning and spinning the dials. Then, with a click of a button, an LCD display screen lets you see and hear the correct answer. Catchy music makes learning fun, and a friendly, cartoonish voice repeats the answer, then encourages and congratulates with each success. Included are simple instructions that make learning and using easy. This cool tool can be used to build math equations, self-test, learn multiplication tables in sequence, or be tested with random equations. Made of hard plastic, this item is extremely portable and has automatic shut- off. It is somewhat loud, however, so it's not appropriate for quieter environments. --Tom Keogh

Math war is an exciting way for children to learn their multiplication table while having fun. Players take turns laying down cards and giving the answer to the problem on their card.

Need some help with those tricky multiplication tables? This simple educational tool helps kids develop math skills by giving them an easy learning guide. Designed as a simple grid of square plastic buttons, nine across and nine down, each button in the keyboard represents an individual multiplication problem. Push a square--4 x 5, say--and the correct answer magically appears--20! Kids can test themselves, or take turns with parents or friends to make a game of it. A great plus: no moving parts or batteries. Measuring 9 inches by 8.5 inches, the keyboard is made of durable, lightweight plastic, easy to take on a trip or tuck in a backpack. --Marianne Painter

Grades 1 - 3. Learn math skills by wrapping string from the problem on the left to the answer on the right. Turn it over and see if your answers are correct. This multiplication set contains 10 self correcting keys.

Math Whiz plays like a video game and teaches like electronic flash cards. This portable ELA quizzes kids on addition, subtraction, multiplication and division, AND works as a full-function calculator at the press of a button. Problems are displayed on the LCD screen. Features eight skill levels, as well as lights and sounds for instant feedback. Two AAA batteries required (not included).

Don’t Just Learn Multiplication...Master It! Brimming with fun and educational games and activities, the Magical Math series provides everything you need to know to become a master of mathematics! In each of these books, Lynette Long uses her own unique style to help you truly understand mathematical concepts as you play with everyday objects such as playing cards, dice, coins, paper, and pencil. Inside Marvelous Multiplication, you will explore and solve the mysteries of multiplication. You’ll use ten tasty snacks to learn the one times table, get to know the ten times table using finger paints, and write a zany story using the multiples of a number to practice the multiplication tables. You’ll go on to learn even more about multiplication by deciphering the fascinating puzzles of prime factors, exponents, and three digit multiplication while playing games like Prime Solitaire, Three by Three, and Fingers!So why wait? Jump right in and find out how easy it is to become a mathematics master!

Grades K - 4. Target reviewing math skills with our fun to play Subtraction bingo game. Increase difficulty by increasing skill levels because each bingo game develops problem solving skills, increases computational speed and really gets students thinking quickly. Each game has everything you need for 36 players with over 200 chips, caller's mat and cards.

Kids will want to practice their math on this portable skill-building ELA that turns math into a video game. MathShark quizzes eight different skill levels in addition, subtraction, multiplication, division, fractions, decimals, and percentages, and works as a full-function calculator with the press of a button. Problems are displayed on the LCD screen either vertically or horizontally. Answers receive immediate feedback with colorful flashing lights and tones. Sets are timed, and the elapsed time plus a message appear at the end of each set. As they see their time improve, kids are continually motivated to beat it, just like when they play a video game. The more they play, the more they learn. Requires two "AA" batteries (not included). Measures 10" x 6.1" x 3.9".

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