3.OA.D.8

3.OA.8. Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.3

There are 13 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 8 - 11
2234 Views:
Solving Word Problems with Subtraction
From nextvista.org, produced by nextvista.org
This video will help make word problems with subtraction concrete to students. The video shows a woman on her porch on a winter day.  The problem ( It's a winter day, so we made a fire in the fireplace.  There were 57 pieces of wood.  I took 14 insid... [more]
September 21, 2011 at 06:10 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 8 - 18
6880 Views:
Problem-Solving Strategies
From YouTube
The strategies used in solving word problems are shared in the ppt type video.  The ideas are explained by a teacher as the slides flash across the screen. (08:52)
Found by ronna_37 in 3.OA.D.8
November 21, 2009 at 11:43 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 8 - 14
6564 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 - 12
4769 Views:
Whole Number Multiplication And Division
From discoveryeducation.com, produced by Discovery Education
Examples provide instruction in multiplying and dividing whole numbers without a remainder
Found by grazianione in 3.OA.D.8
June 2, 2010 at 12:31 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 7 - 13
10921 Views:
Relating Subtraction and Addition Fact Families to Find Missing Numbers
From eduplace.com, produced by Houghton Mifflin
In this video slideshow, students will learn how to use related facts or fact families, to help find missing numbers.  User clicks through the slides.
Found by tinag1974 in 3.OA.D.8
May 20, 2010 at 04:03 PM
Comments: 1
  • Favorites

Not Right For WatchKnowLearn
Ages: 18 - 18
13871 Views:
Singapore Math--Two-Step Word Problems
From YouTube
In this Smartboard demonstration, Mr. Almeida shows you how to solve two-step word problems using bar models. This is a helpful tool in Singapore math and helps to address the Common Core math standard 2.OA.1. He shows students how to break down the ... [more]
Found by porter1526 in 3.OA.D.8
April 17, 2012 at 09:55 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 6 - 10
4559 Views:
Adding/Subtracting/Solving Word Problems with Money Amounts with Decimals
From discoveryeducation.com, produced by Discovery Education
In this computer animated video, students are shown how to read money amounts with decimals.  Next, they are shown step-by-step how to add with decimals.  Then, they are shown strategies for solving word problems using addition or subtraction.
Found by Anonymous in 3.OA.D.8
November 28, 2010 at 06:50 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 18 - 18
11705 Views:
Singapore Math--Comparison Word Problems-Bar Modeling
From YouTube
In this video, Mr. Almeida explain how to use bar modeling in Singapore math to solve word problems that deal with comparing. This technique of using model drawings to solve word problems is recommended by the Common Core mathematics standards. Mr. A... [more]
Found by porter1526 in 3.OA.D.8
April 17, 2012 at 10:03 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 18 - 18
5523 Views:
Singapore Math Addition Word Problems
From YouTube
This tutorial video provides step by step directions on how to solve addition word problems using the Singapore Math method. Two word problem examples are given. Great illustrations of the use of unit bars are given. This is a great professional deve... [more]
Found by porter1526 in 3.OA.D.8
April 21, 2012 at 04:12 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 7 - 9
3389 Views:
Using Key Words to Solve Math Word Problems
From nextvista.org, produced by nextvista.org
This teacher-created video shows students how to identify key words in word problems which will tell them whether to add or subtract to solve the problem. " In all" means to add;" have left "means to subtract.  Sample problems are written on chart pa... [more]
September 8, 2011 at 06:57 PM
  • Favorites
12 NEXT (1 - 10 of 13)
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