5.NBT.B.7

5.NBT.7. Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

There are 15 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 8 - 14
6856 Views:
Diffy - Virtual Manipulative
From usu.edu, produced by Utah State University
When Diffy opens, there are four black numbers placed at the corners of a black square. Your first goal is to fill in the four blanks in the blue circles in the middle of each side of the black square. Start with any side of the black square and cli... [more]
May 9, 2010 at 11:11 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 8 - 14
7425 Views:
Virtual Manipulative- Add and Subtract Decimals With Base 10 Blocks
From usu.edu, produced by Utah State University
Add and subtract decimal values using base blocks. The problems difficulty is controlled by the user.  Set the number of whole number columns up to 100s.  Set the decimal places from 0 to 3 places.  Other bases are available.  Please take a few secon... [more]
May 9, 2010 at 10:16 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 8 - 12
3568 Views:
Place Value: Whole and Decimal Numbers
From linkslearning.k12.wa.us, produced by LINKS Learning
This is an interactive lesson on place value in slide show / video format.  The lesson focuses on place value with whole numbers and decimal numbers, and it provides interactive activities and assessment questions for students.
Found by wendyofoz in 5.NBT.B.7
August 4, 2012 at 01:08 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 9 - 18
2699 Views:
Basic Instructions on multiplying decimals.
From mathplayground.com, produced by Math Playground
Teaches basic steps for multiplying decimals. Solves problem (4.2 X 5.9) by removing the decimal and working as a whole number. Once solved, shows how to determine the decimal place in the answer by counting the digits behind the decimal in the origi... [more]
Found by AngieGold in 5.NBT.B.7
November 28, 2010 at 12:41 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 9 - 13
2656 Views:
Review of Division Strategies and Decimals (4th and 5th grade)
From slideserve.com, produced by Monica Hartman
This link is to a slide show containing 36 slides. It reviews division strategies: using multiples of 10, distributive property, equal groups model, and expanded division algorithm. Several word problems are presented in which division is required. I... [more]
Found by wendyofoz in 5.NBT.B.7
November 13, 2012 at 12:12 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 8 - 13
2364 Views:
Solving Word Problems Involving Multiplication of Decimals
From YouTube
In this video you see a whiteboard presentation showing how to solve multiplication problems with decimals.  Students could work along with the video or try to race the video when working each problem.  Video also has a good review of mathematical te... [more]
August 28, 2012 at 11:29 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 10 - 15
1555 Views:
Multiplying Decimals by Powers of 10
From dailymotion.com, produced by TenMarks
The instructor provides three problems: (1) .0005 x 10  (2) 2.1005 x 100 (3) 8.9 x 1000. He explains there is only one rule when multiplying decimals by powers of 10: to shift the decimal to the right, and the amount of shift equals the number of zer... [more]
Found by wendyofoz in 5.NBT.B.7
October 14, 2012 at 11:49 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 10 - 14
786 Views:
Multiplying and Dividing by Powers of 10
From YouTube, produced by jimbabweiberg
The instructor uses an interactive white board to show that multiplying a decimal by 10, 100, 1,000, or 10,000 moves the decimal one, two, three, or four places to the right. He displays a calculator to show this as well. He also explains and shows t... [more]
Found by wendyofoz in 5.NBT.B.7
October 15, 2012 at 12:15 AM
  • Favorites

Not Right For WatchKnowLearn
Ages: 9 - 14
406 Views:
Multiplying a Decimal by a Power of 10
From YouTube, produced by Khan Academy
The instructor uses a word problem to demonstrate how to multiply a decimal by powers of 10. The word problem provides the cost of a stamp and asks how much a roll of 1000 stamps would cost. He shows how to move the decimal if multiplying by 10, 100,... [more]
Found by wendyofoz in 5.NBT.B.7
October 14, 2012 at 10:46 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 10 - 14
314 Views:
Dividing a Decimal by a Power of 10
From YouTube, produced by Khan Academy
The instructor explains how to divide a decimal by power of 10. The problem he works through is: 99.061 / 100. He first shows how to divide the number by 10, and he relates how to move the decimal to the left when dividing. (3:18)
Found by wendyofoz in 5.NBT.B.7
October 15, 2012 at 11:15 PM
  • Favorites
12 NEXT (1 - 10 of 15)
History [show]


Loading history...

Comments
Please make your comments on categories positive, and not just negative.

People work hard on educational categories, and we want to encourage them to make more!

  • Profanity (curse words), sexually suggestive remarks, and other such obviously inappropriate comments will be deleted immediately, and are grounds for immediate expulsion. Remember, children use this website.
  • Personal criticism on project forums and in video content is not allowed and will be deleted immediately. Any violations of this rule could result in expulsion from the project so please, no insults or other negative personal remarks.
  • Very harshly-worded criticism of content will also be deleted promptly. Please use your vote to express your harshest feelings. Repeated violations of this rule can result in expulsion. If you must criticize another person's hard work, then be nice about it.
If you want to comment, please sign in
Reason:  

  Cancel

Share