The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
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Not Right For WatchKnowLearn
Ages: 7  11
4501 Views:

Whether you are putting scores in order to figure out who won the game or dates in order for a histor project, being able to order whole numbers is important. These stepbystep strategies from StudyJams will make it a cinch! A short, selfchecking... quiz is also included with this interactive link.
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June 4, 2011 at 08:57 PM


Not Right For WatchKnowLearn
Ages: 6  10
6681 Views:

Learn Math Digits and Place Value with this fun animated math video. This video is a help to those learning math who want to learn about digits and place value. (02:12)
November 16, 2009 at 09:48 PM


Not Right For WatchKnowLearn
Ages: 3  7
3820 Views:

Zero contemplates whether or not he really is a number in this blues duet with his number friend, One. Beautiful pen and ink drawing back ground with animated zero and one cartoon character. (01:21)
March 13, 2010 at 02:11 PM


Not Right For WatchKnowLearn
Ages: 8  14
7755 Views:

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...ds to wait for this virtual manipulate (that uses a Java applet) to fully load. From Utah State University.
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May 9, 2010 at 10:16 AM


Not Right For WatchKnowLearn
Ages: 5  10
4970 Views:

Chip Abacus
From usu.edu, produced by Utah State University


With this manipulative, you can represent place value and exchanges in base 2, base 5, or base 10. Set the desired base with the up and down arrow buttons below the workspace. Chips in columns then represent units (1), bases (2, 5, or 10), and bases...quared (4, 25, or 100), as indicated by the numbers at the top of each column.
Note that chips can be dragged within a column but not from one column to another.
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May 9, 2010 at 10:40 AM


Not Right For WatchKnowLearn
Ages: 7  10
2910 Views:

In this video, students review place value up to the hundreds place. Then, they are given a series of numbers and must identify the number of digits and how many are in each column of hundreds, tens, and ones. They also practice writing numbers from ...place value clues. (6:12)
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November 28, 2010 at 06:20 PM


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Ages: 5  8
2755 Views:

Using tens and ones blocks to model the numbers, students will add a 1digit number to a 2digit number. Begin by adding the ones together, then the tens. The user clicks through the slides.
May 20, 2010 at 02:03 PM


Not Right For WatchKnowLearn
Ages: 7  12
4199 Views:

This video provides a brief demonstration of how to add twodigit numbers, using 12+19 as an example. (00:55)
March 25, 2009 at 12:09 PM


Not Right For WatchKnowLearn
Ages: 6  10
1482 Views:

An interactive powerpoint version of "Who Wants to be a Millionaire". It uses questions that test your knowledge of numbers 1100 and their place values, written representations and more. Lot's of fun for review.
July 10, 2009 at 07:37 PM
