Multiplication

How to Multiply Decimals and get Homework Help in Math

How to Multiply Decimals

How to multiply decimals teaches three easy to use strategies that make multiplying decimals a breeze.  First, your children will learn to use an area box, which is an easy way of keeping each number in the correct place value position.  Next, your children will learn how to use skip counting any time they forget their multiplication facts.  Finally, your children will learn how to count their decimals, so they put the decimal in it’s proper place and get the answer correct every time.

This post is part of a series designed to offer homework help in math, so that ANYONE can successfully multiply large numbers.

Articles within this series on Fractions:

  1. Area Multiplication: Book 1 – (86 x 97)
  2. Area Multiplication: Book 2 – (94 x 368)
  3. Area Multiplication: Book 3 – (37  x 6,375)
  4. Area Multiplication: Book 4 – (694  x 6,368)
  5. Area Multiplication: Book 5 – multiply decimals (0.93  x 4.83)

I have had amazing results by teaching these same strategies to the students within my classroom.   These strategies work exceptionally well for struggling students who have ADHD, Dyslexia, and other learning disabilities.  Every one of my students who practiced these strategies passed the standards based assessment for multiplying decimals.

 

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Does your child need Homework Help in Math, because he or she does not know all their multiplication facts?

The problem below is called a “Watch Me” challenge and it is designed to give extra homework help in math.  This Watch Me challenge introduces the strategies of skip counting and counting decimals.  More importantly, the video demonstrates how to use these two strategies while solving a multiplication problems.  I encourage you to watch this first video with your children and to discuss the strategies.  Then have your child write this first problem in their math notebook.

Answers for Math Homework: Challenge 1
Watch Me

Stealthy Sea Otters

These Stealthy Sea Otters live in a fishing port just north of San Francisco, California.  They wait for the fishing boats to return with their catch, then they sneak in, all stealthy like, and steal some of the fish.  Yesterday, a boat came in with 0.607 of a ton of fish.  The Stealthy Sea Otters stole 0.048 of the fish.  How many tons of fish did they steal?

Watch this Free Tutoring for Math Video!
Press PLAY and Watch this Free Tutoring for Math Video below.  Then copy these strategies into your notes!

Does Your Child Need a Great Book to Read?

My son read every single one of these Magic Tree House books when he was young.  They really helped to develop his reading fluency as well as his comprehension.

I wrote this book when I was teaching in the primary grades.  It’s about a fourth grade boy who is being bullied.  He is taken to another world where he learns to face his fears. In the process, he saves the entire planet from an all-out war. I wrote this book as a testament to myself.  I have dyslexia, and for years I felt limited by my disability.  I decided to write a novel to prove that no disability could hold me back.  Return to the Elves is a fantasy book for children in fifth and sixth grades. This is my all-time favorite book for 6th grade.
It is about a young lady in the time of the Pharos.  She is quite the heroine. This book dovetails perfectly with the sixth grade standard of studying Ancient Egypt.

Could your Child Benefit from a little Free Tutoring for Math?

The problem below is called a “Work with Me” challenge, and it is like having free tutoring for math.  This challenge encourages your child to work step-by-step along side me to solve this challenge, which is similar to how a tutor would work with your child.  All of the following challenges are called “On Your Own” challenges.

However, many of my students who struggle with multiplication will do five or six of the “On Your Own” challenges as a “Work with Me” challenge, which is like having a personal tutor.  They play the video, pause it, and copy the strategies until they feel comfortable and confident.  Doing the problems as a “Work with Me” challenge is like getting free tutoring for math.

Answers for Math Homework: Challenge 2
Work With Me

Randy & Candy

Randy & Candy love to play.  They are a couple of thoroughbred racehorses.  Randy and Candy are predicted to win The Kentucky Derby when they grow up.  Last Tuesday they spent 9.69 hours running, jumping, and frolicking through the pasture.  A television news reporter filmed 0.037 of the time that they were playing.  How many hours was Randy and Candy’s the news report?

Watch this Free Tutoring for Math Video!
Gather your materials and press PLAY.  We’ll solve this problem together, while you watch the math tutorial video below.
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Do your children get frustrated when they make a mistake?

Use the free tutoring for math video below to help ease the frustration.
We all make mistakes.  As a matter of fact, making mistakes is an essential part of the learning process.  This is why at the end of each of the following “On Your Own” challenges I encourage children to fix their mistakes.  Finding and fixing your own mistake is the fastest way to learn.

Answers for Math Homework: Challenge 3
On Your Own

Mabel the Milkweed Eating Monarch

Mabel the Milkweed Eating Monarch is hungry.  She is crawling across a milkweed plant that has 2.804 pounds of leaves.  Over the next two weeks, Mabel will eat 0.57 of those leaves.  How many pounds of leaves will Mabel the Milkweed Eating Monarch eat?

Watch this Free Tutoring for Math Video!
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!
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Answers for Math Homework: Challenge 4
On Your Own

Pamela Panda the Singing Panda Bear

Pamela Panda the singing Panda Bear can sing longer than any other bear in the entire world.  Last year, at the National Bear Sing Off, Pamela sang for 13 hours straight.  This year, Pamela plans on singing 8.34 times longer.  If Pamela Panda the Singing Panda Bear accomplishes her goal, how long will she sing?

Watch this Free Tutoring for Math Video!
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!


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Answers for Math Homework: Challenge 5
On Your Own

Vladimir Vulture

Vladimir Vulture is afraid of no one.  He even flies in and scares off lions that have just killed a Water buffalo.  Last month, lions have killed three water buffalos.  All together the buffalos weighed 924 pounds.  Vladimir Vulture flew in and ate 0.078 of the total water buffalo meat.  How much water buffalo meat did Vladimir eat?

Watch this Free Tutoring for Math Video!
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!

Is it time for a relaxing cup of Tea?

Try a cup of Teavana Peach Tranquility tea.  I am sure that you will love it!

Answers for Math Homework: Challenge 6
This is an On Your Own Problem

Teddy Roosevelt the Roosevelt Elk

Teddy Roosevelt the Roosevelt Elk has a great rack.  His horns weigh 6,052 grams.  But, they are still growing.  By the end of this season, Teddy’s rack will grow 3.4 times heavier.  Then his rack will fall off, and Teddy will have to grow a new rack next season.  How big will Teddy Roosevelt’s rack be by the end of this season?

Watch this Free Tutoring for Math Video!
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!

 


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Answers for Math Homework: Challenge 7
On Your Own

Penelope Darbari the Poison Dart Frog

Penelope Darbari the Poison Dart Frog loves to eat mosquitoes.  As a matter of fact, Penelope thinks mosquitoes taste even better than ribeye steak.  Penelope ate 5,409 mosquitoes last month.  If each mosquito weighed 2.5 milligrams, how many milligrams of mosquitoes did Penelope Darbari the poison Dart Frog eat?

Watch this Free Tutoring for Math Video!
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!

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Answers for Math Homework: Challenge 8
On Your Own

Reginal Ram

Reginal Ram loves to head-butt other rams.  He rocks up onto his back legs, then he comes crashing down into the horns of the other ram, creating 800.75 pounds of force.  If Reginal clashes horns with 36 other rams, how many pounds of forces will Reginal create?

Watch this Free Tutoring for Math Video!
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!

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Answers for Math Homework: Challenge 9
On Your Own

Millie Monkey

Millie Monkey nibbles on bananas.  She nibbles and nibbles all day long.  The banana grove in Millie’s nature reserve produces 0.673 tons of bananas every week.  Each day Millie consumes 0.0047 of the weekly banana yield.  How many tons of banana does Millie eat each day?

Watch this Free Tutoring for Math Video!
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!

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Answers for Math Homework: Challenge 10
On Your Own
Payton Penguin

Payton Penguin is always the last one out of the water.  He loves the thrill of catching fish in the Antarctic Ocean.  If Payton’s little section of the Antarctic Ocean contains 3.78 tons of fish, and Payton caches 0.0017 of those fish each day, how many tons of fish does Payton Penguin eat each day?

Watch this Free Tutoring for Math Video!
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!
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Drill & Kill

Here is where we Drill until we Kill all our mistakes!

  1. The following problems can all be solved with the same strategies we used to solve the first ten problems.
  2. Solve all four problems on each page.
  3. Watch the video & correct your work.
  4. Review your work with your teacher.
  5. If you get all 4 problems correct, your parent or teacher may tell you that you’re ready to move to the next book within this series.

Good Luck!

Drill & Kill Any Mistakes
Challenge
11

Challenge A

  • 0.93 x 5.96

Challenge B

  • 5.9 x 0.857

Challenge C

  • 46 x 9.42

Challenge D

  • 0.87 x 643
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!

Drill & Kill Any Mistakes
Challenge
12

Challenge A

  • 0.54 x 38.6

Challenge B

  • 4.8 x 2.87

Challenge C

  • 26 x 0.324

Challenge D

  • 0.35 x 538
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!

Drill & Kill Any Mistakes
Challenge
13

Challenge A

  • 0.74 x 0.391

Challenge B

  • 8.6 x 8.04

Challenge C

  • 63 x 33.7

Challenge D

  • 7.8 x 219
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!

Drill & Kill Any Mistakes
Challenge
14

Challenge A

  • 0.31 x 8.26

Challenge B

  • 4.5 x 0.484

Challenge C

  • 39 x 6.36

Challenge D

  • 2.7 x 609
Once you complete the problem – Hit PLAY on the math tutorial video below.  Good Luck!
Need Help with Division?

I have a series on division that is specifically designed for children who do not have all of their multiplication facts memorized.   The series is designed in a similar manner to this series on multiplication, where each and every problem is linked to a video tutorial.  Here is a link to my series on Division.

Thank you for reading this article!

Want More Tutorials?

TeachersDungeon is an Educational Fantasy Game.  It is 100% FREE!  The game is set to the Common Core Educational Standards, and is web-based, so it can be played on any device.  Many of the questions are accompanied by tutorials like the ones you saw here.

One Last Thing

If you like this post and found it helpful, please leave a brief comment.   As a teacher, perhaps the greatest reward I receive is from parents, children, and fellow teachers who use my strategies of education and succeed.

My mission in life and as an educator is to make people feel empowered, self-assured, and happy about who they are in this world!  We all have gifts to bestow upon our world.  Go forth and do so, and know that you are awesome!

Have a fantastic day – Brian McCoy

 

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